Car Cranks But Won't Start? 9 Causes Ranked by Cost (Real 2026 Fixes)

You turn the key. The starter spins. The engine cranks and cranks — rrr-rrr-rrr — and never catches. After ten seconds you let go, defeated, and try again. Same thing. The starter works, the battery works, but the engine just won't fire.

This is mechanically very different from a no-click no-start. The fact that your engine is cranking tells you everything's fine on the electrical side — battery, starter, ignition switch, all of it. The problem is that something else the engine needs to actually run is missing: fuel, spark, or compression. Find which one, and you've found the problem.

Most of these are cheap fixes — under $300 — but a few can run thousands if you keep cranking on them. And in the federal complaint record, the fuel side of that split is where the language piles up: a third of crank-no-start narratives name a fuel pump, better than a quarter name a relay, a fuse or a power module, and the sensors, plugs and belts that get blamed on forums each appear in under 5%.

This guide is built to actually solve your no-start, not just describe it. You'll leave with three things: your specific cause — found via a 15-minute driveway protocol that needs nothing but your ears, your nose, and your key; the fix — split into Fix it yourself steps and At the shop instructions for every cause; and the fair price, so nobody turns your $200 problem into a $1,500 invoice. If you're not sure your problem is crank-no-start, our strange car noises guide covers the broader picture, and the no-click no-start guide covers the other side of "won't start."

I built PulsCar after a $380 "full diagnostic" in Phuket in 2025 led to roughly $6,000 over six months across several shops, and the sound never went away (the story is on the About page). The lesson from those bad diagnoses: most no-start problems are cheap if you can name them, and expensive if you can't. Let's name yours.

Two passes: the protocol, then your cause

Use it in two passes. First, run the 15-minute protocol below — free checks that funnel you from "it won't start" to "it's cause #N." Then jump to your cause's section, where you'll find:

• A meta card showing risk, repair cost, and the symptom pattern
• The underlying mechanical issue in plain English
• The fix, split into Fix it yourself (steps, tools, time) and At the shop (what to say, what a fair invoice looks like, what to refuse)

The nine causes are ranked by how cheap they are to fix, not by how common they are — free checks first, engine-killers last. The last third of the page is evidence: 867 federal complaints, the recall documents behind the most-misdiagnosed cause, and how to look up your own VIN.

One rule overrides everything: don't crank for more than 5-10 seconds at a time, and wait 30 seconds between attempts. Extended cranking can flood the engine, drain the battery, or overheat the starter — turning your problem into multiple problems. And if the crank ever sounds fast, light and free — like the engine suddenly lost its muscle tone — stop entirely. That sound is lost compression, and it's the most expensive sound in this guide.

Find your cause: the 15-minute driveway protocol

Work through these in order. Each is free and either solves the problem or names your section. Grab your spare key and a helper.

Step 1 — Listen to one crank (30 seconds). Turn the key for 5 seconds and just listen. Fast, light, free-spinning, faster than usual? → stop immediately, go to cause #9 (timing belt/chain). Slow, dragging, dash lights dimming hard? → that's a battery/starter problem, not a crank-no-start — switch to the no-click guide. Normal, even rhythm → continue.

Step 2 — Check the fuel gauge (10 seconds). At or near E, or the low-fuel light has been on for days? → cause #1. Yes, really — check it before anything else.

Step 3 — Check the dash for a security icon (30 seconds). A key symbol or "SECURITY" light, steady or flashing, during cranking? → cause #2. Try your spare key right now — this alone resolves a surprising share of no-starts.

Step 4 — The prime test (1 minute). Key to On (one click before Start), don't crank, and listen toward the fuel tank. A healthy pump gives a faint 2-3 second whir as it primes. No whir → step 5. Whir present → step 6.

Step 5 — The relay swap (5 minutes). Open the fuse box (the lid diagram shows locations), pull the fuel pump relay, and swap it with an identical relay from a non-critical circuit like the horn. Try starting. Starts → done, that was a $15 fix, see cause #3. Still no whir → check the fuel-system fuses; if they're intact, you're most likely at cause #6 (fuel pump) — read that section before paying for anything.

Step 6 — The exhaust smell test (2 minutes). Have a helper crank for 5 seconds while you stand near the tailpipe. Strong raw gas smell → fuel is arriving but not igniting: spark side, causes #4 or #7. No smell at all → fuel isn't arriving: causes #5 or #6.

Step 7 — Pull the codes (5 minutes). Most auto parts stores read codes for free, or use any OBD-II scanner. P0300–P0308 → cause #4 (plugs/coils). P0335–P0339 → cause #7 (crankshaft sensor). P0340s, P0100s, P0170s → cause #8 (cam/other sensors; P0100s name the air-flow circuit, and the cause can be the plug, wire, a leak or the sensor). No codes and nothing above matched → keep going with the free tests rather than jumping to the expensive end. Only the fast, free-spinning crank of Step 1 points at cause #9; absence of codes on its own does not.

By the end of this protocol you know which section below is yours. Jump to it — your fix is there.

1. Empty fuel tank (yes, really) — $0

This is the most embarrassing entry, and it accounts for more "won't start" tow calls than anyone admits. Fuel gauges aren't perfectly accurate — most read above true empty as a safety margin, and that margin drifts on older cars, on hills, or as the sender ages. You can have an inch of gas left, a needle not quite on E, and a pickup that still can't reach it. A car cranking with no fuel cranks perfectly healthily: no fuel, no combustion, just spinning.

Self-check:

1. Look at the fuel gauge. At E or near it? Strong evidence.
2. Low fuel light on for a while? You may have been running on the gauge's safety margin.
3. Smell the exhaust pipe while a helper cranks the engine. If you smell zero gasoline, you have no fuel reaching the cylinders.

Fix it yourself: Walk to a gas station, get a one-gallon jerry can ($10), bring back enough gas to actually reach the pump. If the car was on a steep hill or a sharp angle when it died, sometimes just rolling it onto flat ground gets enough fuel back to the pickup that it'll start with what's still in the tank.

At the shop: The only shop-worthy item is a fuel gauge that lied — a drifted level sender ($250-$450). Not urgent: say "replace the level sender next time the tank has to come down anyway" — it shares labor with a future fuel pump job, so you pay that labor once, not twice.

2. Anti-theft / immobilizer lockout — $0 to $200

Most cars sold in the United States since the late 1990s have an electronic immobilizer requiring a verified key signal before the engine starts — the rollout was gradual and model-specific, so check your own owner's manual rather than assuming a model year. The starter still spins, but the injectors and ignition stay silently disabled until the immobilizer "sees" a valid key. When it's unhappy — a weak fob battery, a damaged key chip, a glitch after a battery swap, or a non-programmed spare — the engine cranks but never fires. The related pattern — starts for one or two seconds, then dies — has its own guide: car starts then dies.

The most common version: you replaced the battery yesterday and the immobilizer is now locked out. Some cars need a relearn procedure after any disconnection of the main battery.

Self-check:

• Look for a small key-shaped icon on the dashboard. Flashing or steady = immobilizer active.
• Try the spare key if you have one. If it starts the car, your primary key fob is the problem (low battery or chip failure).
• Try this reset: turn the key (or hold the fob to the start button) to the "On" position without cranking. Wait 10-15 minutes. Turn off, then try to start. Some cars time out the lockout after this window.

Fix it yourself: In order of effort: (1) replace the fob's CR2032 battery ($3-$10) — many fobs also need a relearn, and the owner's manual has it; (2) try the maker's reset ritual, usually locking and unlocking the door with the physical key or the key-On wait above; (3) as a last resort, disconnect the negative battery cable for 15 minutes — this sometimes clears immobilizer faults, and also clears your radio presets and engine-learned data; (4) if an aftermarket alarm is installed, pull its fuse.

At the shop: For key reprogramming or a replacement key, call an automotive locksmith before the dealer — same job, often half the price ($50-$200). Say: "the security light flashes during cranking and the spare behaves the same — I need the immobilizer diagnosed, not the engine." That stops them billing an hour of engine diagnostics on a car whose engine is fine.

3. Fuel pump relay or a blown fuse — $10 to $100

Before anyone condemns your fuel pump, check the relay that feeds it. A relay clicks on every start of the car's life — tens of thousands of cycles — and a relay that stops closing produces exactly the silence a dead pump produces. This is not a hunch: as the document section below shows, a failing fuel pump relay is the subject of three federal recalls covering more than half a million Chrysler vehicles, and NHTSA's own finding was that its most common effect was "a no-start concern." Fuses tell the same story: one spike, and the circuit feeding the pump is dead. The engine is healthy; the pump is simply never told to run.

This cause earns its own section for one reason: it's the most profitable misdiagnosis in the no-start world. A shop that skips the relay check and quotes a pump replacement turns a $15 problem into a $700 invoice. And if the relay is only intermittent — which is how they usually fail — the car may well start after the new pump goes in, for reasons that have nothing to do with the pump, and everybody walks away believing the wrong thing.

Self-check: Steps 4-5 of the protocol already did it — no priming whir at key-On is the flag, the relay swap is the test. The fuse box lid diagram names the fuel pump relay; swap it with an identical one from the horn or rear defroster.

Fix it yourself: If the car starts on the borrowed relay, buy an identical replacement — the part number is printed on top. A generic micro-ISO relay runs $10-$40; a model-specific genuine one can be more. We re-checked two genuine parts on 18 September 2026 at the dealer catalogs HondaPartsNow and ToyotaPartsDeal: Honda power relay 39794-SDA-A05 at $22.62 against a $32.22 list price, and Toyota circuit opening relay 90987-02022 — the fuel pump relay on many Toyotas of that era — at $79.52 against a $112.09 list. Then push the new one in by hand. A blown fuse (visibly broken metal strip inside) costs less than coffee; the lid tells you the correct amperage, and never install a bigger one "to be safe."

At the shop: Only one scenario needs a pro: the new fuse blows again immediately, meaning a short circuit downstream. Hunting shorts is legitimate hourly work — $100-$180 is fair. Say: "the fuel pump fuse blows repeatedly — please trace the short in that circuit," so they start at the real problem, not a fresh no-start diagnosis.

4. Worn or fouled spark plugs / failing coils — $80 to $400

Spark plugs are wear items — firing thousands of times per minute, they wear the electrode gap and collect carbon. Badly worn, they still spark, but weakly. Add a fouled plug from a leaky valve seal, a failing coil, or a cracked plug wire, and you get a no-start. You can smell it: raw gas at the exhaust means fuel is reaching the cylinders and nothing is lighting it. Worn plugs also cause engine knock on a running engine.

Self-check:

• Sniff the exhaust pipe while a helper cranks the engine for 5 seconds. Strong gasoline smell = fuel is reaching the cylinders, but no spark. Weak or no smell = fuel problem, not spark (see sections 5-6).
• Check the service record. Have plugs been replaced in the last 80,000-100,000 miles? If not, suspect.
• Pull a single spark plug (with the engine off). Is it black and sooty, oily, or visibly worn? Black soot = fouling from rich fuel or oil. Oily = bigger issue (valve seal, piston ring). Worn-but-clean = end of life.
• If you have an inline spark tester ($20 at any auto parts store), connect it to a plug wire (or coil-on-plug). Crank the engine. If the tester doesn't flash a strong blue spark, you've got an ignition problem.

Fix it yourself: On most 4-cylinder engines this is a Saturday job: a set of four plugs runs $20-$80, and coil-on-plug units sit on top, one bolt and one connector each. Unplug the coil, unbolt it, pull the old plug with a spark plug socket, hand-thread the new one (cross-threading is the one way to ruin your day), snug it to spec, reinstall. Always replace plugs in complete sets — never just one — for even firing across cylinders. Genuine plugs cost more than the $20-$80 aftermarket set: we re-checked Honda NGK plug 12290-5A2-A01 at HondaPartsNow on 18 September 2026 at $16.44 each against a $23.22 list, which is $65.76 for a four-cylinder set. Honest warning: on many V6/V8 engines the rear bank hides under the intake manifold, and that half becomes a shop job.

At the shop: $80-$300 for a plug job depending on access, $30-$60 per coil plus labor. The smart ask: "pull the misfire counters per cylinder and show me which coil is actually dead" — coils should be replaced on evidence (a tester or coil-swap result), not a hunch. Replacing the full coil set in one visit is reasonable when you choose it — it beats paying labor four times — but it should be your call, not a line quietly added to the estimate.

Can bad spark plugs really keep a car from starting at all, rather than just misfiring? Yes — it's the end stage of a slow decline. A worn plug still fires weakly, so for months the engine starts with longer and longer cranks; a no-start happens when several plugs are too worn or fouled to light the mixture at cranking speed, when a shared ignition component fails, or when extended cranking soaks already-weak plugs in raw fuel. The tell is the smell test: strong gasoline odor at the exhaust during cranking means fuel is arriving and spark is missing. A full set of plugs runs $20-$80 in parts and is one of the most accessible DIY jobs in this guide; coils add $30-$60 each. PulsCar's free check needs a running engine, so it can't hear a no-start crank; the smell test above is the free split between ignition and fuel, and a $20-$40 Bluetooth reader adds any stored misfire or sensor code.

5. Clogged fuel filter — $80 to $200

The fuel filter sits between tank and engine, catching rust and debris before it reaches the injectors. It's a service item — every 30,000-50,000 miles — but on many modern cars it lives inside the tank with the pump and is rarely changed. Over years it clogs: invisible under light demand, but under high demand there isn't enough fuel to start. It usually shows up as a long-crank problem that worsens for months, then becomes a no-start one cold morning.

Self-check:

• Has cranking gotten gradually longer over the past few months — from 1 second to 3 seconds to 8 seconds — before the engine catches?
• Does the engine stumble under hard acceleration, especially uphill?
• Is the no-start worse when the tank is low? (Low fuel level means more debris near the pickup, accelerating clog symptoms.)
• With a fuel pressure gauge ($25), connect it to the rail test port, key on without cranking, and check pressure against spec (usually 40-60 psi). Low pressure with a healthy-sounding pump = clogged filter.

Fix it yourself: On cars with an externally-mounted filter (check along the frame rail under the car, or in the engine bay), it's a genuine driveway job: relieve fuel pressure first (pull the fuel pump fuse and crank for 5 seconds), then swap the filter — usually two clips or clamps, $15-$60 part, 30-60 minutes. Wear glasses; some fuel will spray. Note the flow-direction arrow on the new filter, and run a tank of high-detergent ("Top Tier") gasoline afterward to help keep the new one clean longer.

At the shop: $60-$140 labor on external filters — quick, honest work. If yours is original at 100,000+ miles, say: "replace the fuel filter on principle, and check rail pressure after" — that one reading confirms the fix and rules out the pump in the same visit. In-tank filters are effectively a pump job — see section 6 first.

6. Failing fuel pump — $600 to $1,500

The fuel pump is the electric motor in (or on) the tank that pushes gas to the engine at pressure. When it dies, the engine cranks all day and never fires. Pumps fail in two patterns: sudden death, or gradual decline — longer cranks, hot-weather stalling, intermittent no-starts that work after a 20-minute wait, because heat is the enemy of pump motors. It is the most-named part in the federal complaint file for this symptom, and the most expensive thing in the "common" category.

Self-check: The "prime test" is decisive and free. Turn the key to "On" — one click before "Start" — but do not crank, and listen at the rear where the tank is. You should hear a faint 2-3 second whir as the pump primes. If you hear nothing, the pump has no power or is dead — but check the relay first (cause #3), because a $15 relay produces this exact silence. A clear whir means the pump is at least alive, though it could still be making low pressure (a gauge confirms).

A long delay before the pump primes, or a weak, quiet whir, also suggests the pump is on its way out.

Fix it yourself: Only for genuinely experienced DIYers. Some cars have an access panel under the rear seat or trunk floor — a 1-2 hour job with a $150-$500 pump assembly. Most require dropping the tank: heavy, awkward, live fuel. Either way, buy the complete module (pump, integrated filter, level sender): it quietly fixes causes #1 and #5 in the same job.

At the shop: One non-negotiable and one sentence. The non-negotiable: never approve a pump replacement without a documented fuel pressure reading — "it's probably the pump" is not a diagnosis, it's a four-figure guess, and the relay (cause #3) mimics it perfectly. The sentence: "No prime at key-On, relay and fuses check out — please confirm with a fuel pressure test, and if it's the pump, quote me the complete module." Fair range is $600-$1,500 installed. Be skeptical of any shop quoting a suspiciously cheap pump — they may be substituting a bargain aftermarket unit that fails within 12 months. Ask for OEM or premium aftermarket (Denso, Bosch, Carter, Delphi).

How do you tell a fuel problem from a spark problem when the engine cranks fine? Two free tests, five minutes, no tools. First, the prime test: key to "On" and listen at the fuel tank — a healthy pump whirs for 2-3 seconds, and silence points to the pump, its relay, or its fuse. Second, the smell test: have a helper crank for five seconds while you stand at the tailpipe — a strong raw-gasoline odor means fuel is arriving but spark isn't igniting it (plugs, coils, or the crank sensor), while no smell at all means fuel isn't arriving (filter or pump). Between those two results, you've split the entire no-start world in half before spending a dollar. Fuel pump replacement runs $600-$1,500 installed; the relay that mimics a dead pump is a fraction of that. PulsCar's free sound check can't replace either test — it listens to a running engine, not a cranking one — so run both before you record anything.

7. Bad crankshaft position sensor — $200 to $500

The crankshaft position sensor tells the engine computer where the crankshaft is — which cylinder is at top dead center, when to fire the plug, when to open the injector. Without that signal the computer cannot time anything, and the engine cranks endlessly without catching.

Crankshaft sensors are notorious for heat-related failures: fine cold, dead once the engine warms, fine again once everything cools. That produces the maddening "won't start hot, starts after an hour" pattern. The sensor is usually $50-$150; access is what varies.

Self-check:

• Has the car been randomly stalling for no reason, then restarting after a few seconds, in recent weeks? That's a classic sensor signature.
• Does the no-start happen specifically when the engine is hot? Heat-related sensor failure is so common it's almost diagnostic.
• If you have an OBD-II scanner, check for P033x or P034x codes. Even after the code clears, the sensor may still be failing.
• The professional-grade tell: watch the RPM reading on a scanner while cranking. The engine is obviously spinning — but if the scanner shows 0 RPM, the computer literally cannot see it. That's the sensor or its wiring, full stop. Fix it yourself: Rated moderate. If your engine's sensor is accessible (front of the block, near the crank pulley or bellhousing — a 30-second search for your engine code shows exactly where), it's one bolt and one connector: $50-$150 part, 30-90 minutes. Unplug, unbolt, seat the new sensor, torque gently, plug in, clear the code. If it's buried behind the intake or accessories, this becomes a shop job, and that's fine. A note on the part price: $50-$150 is the aftermarket range, and genuine parts sit at the top of it or above. We re-checked one at ToyotaPartsDeal on 18 September 2026 — Toyota crank position sensor 90919-05060, listed as fitting 2004-2024 Toyota models, at $105.72 against a $149.02 list price.

At the shop: Say the magic sentence: "It cranks with 0 RPM on the scanner, code P0335 — please replace the crankshaft position sensor." You've done their first hour of diagnosis free, and an honest shop quotes the part plus $150-$350 labor depending on access — in writing. Use OEM or top-tier aftermarket; cheap no-name sensors fail again within months. Refuse any quote that starts with "let's put a battery in it first."

Why does a car crank but not start only when it's hot? That heat-sensitive pattern is the classic signature of a dying crankshaft position sensor. The sensor's internal windings drop out when heat-soaked, the engine stalls or refuses to restart after a hot drive, and then — maddeningly — it fires right up after 20-30 minutes of cooling. Replacement typically runs $200-$500 all-in; the part itself is $50-$150 and the rest is labor that depends entirely on where your engine hides the sensor. An overheating fuel pump can mimic the same hot-only pattern, which is why the deciding test matters: a scan tool showing 0 RPM during a hot no-start crank confirms the sensor, while a normal RPM signal with no fuel pressure points at the pump. PulsCar's free check can't run that test — it needs a running engine — so a $20-$40 Bluetooth reader showing live RPM during a hot crank is the cheap tool here.

8. Bad camshaft position sensor or other engine sensors — $150 to $500

Modern engines rely on a dozen sensors to start: crank and cam position, mass airflow (on most engines; some Kias have none), throttle position, coolant temperature. Any of them failing can confuse the computer enough that it gives up. The camshaft sensor fails in a similar pattern to its crankshaft sibling but usually less catastrophically. Mass airflow sensors are the other usual suspect: without a reading for incoming air the engine cannot meter fuel. A bad MAF can make an engine hard to start, but federal complaints describe stalling far more often than no-starts. Idle shaking often pairs with this on a running engine — see our car shaking at idle guide.

Self-check:

• Pull any stored check engine codes (free at most auto parts stores). Sensor codes — P0100s, P0300s, P0340s — narrow it down, but P0100s name the air-flow circuit; the cause can be the plug, wire, a leak or the sensor.
• Has the car been running rough at idle, or stalling occasionally, before today's no-start? Sensors usually warn you before they fail completely.
• If you suspect the MAF sensor, you can try unplugging it and cranking the engine. Unplugging it only shows the computer can run without it; it does not prove the sensor bad, and it can store codes.

Fix it yourself: MAF and throttle position sensors are bolt-on parts — a screwdriver, one connector, ten minutes — but a MAF installed runs $200-$400 in our guides; owners reported $90-$900. Cam sensors are usually one bolt and one connector like their crankshaft sibling, $30-$100 for the part. The one rule: read the codes before buying anything. Replacing sensors without knowing which one is throwing the code is how people spend $1,000 on a no-start that needed an $80 part.

At the shop: $100-$300 labor depending on the sensor. Bring the code: "stored code P0340, long crank history — please confirm the cam sensor before replacing." If a shop proposes replacing multiple sensors at once "to be thorough," ask which one the data actually implicates — sensors are individually testable, and a competent tech can name the guilty one.

9. Broken timing belt or timing chain — $1,000 to $3,500+

This is the catastrophic end of the spectrum. The timing belt or chain keeps the valves in sync with the pistons; when it breaks or skips teeth, that sync is lost. On a non-interference engine it simply won't run — fix the belt and you're back. On an interference engine, which is most modern engines, the pistons crash into still-open valves the instant the belt breaks, turning a $1,000 belt job into a $4,000+ rebuild. The signature is the easy-feeling crank: with timing intact the starter fights cylinder compression, and with timing destroyed that resistance vanishes.

Self-check:

• When cranking, does the starter sound free, fast, easy — like the engine isn't fighting back?
• Did the engine make any unusual noise (a sharp "slap," a rattle, a thunk) in the moments before it died?
• Is your car at or past the recommended timing belt service interval? Check your maintenance schedule — many engines specify replacement at 60,000-100,000 miles regardless of condition. If you're over that and never replaced it, this jumps to the top of your suspect list.
• Critical: stop cranking. Continued cranking on a broken timing belt does nothing useful and may worsen interference damage.

Fix it yourself: Don't — not in this situation. A scheduled belt replacement is advanced-but-doable DIY; a broken belt on a possibly-damaged engine is not, because the first required step is a compression test and valve inspection, and getting reassembly timing wrong destroys whatever survived.

At the shop: Two things before any money moves. First, search "[your engine code] interference or non-interference" — a non-interference engine means you likely got lucky. Second, say: "suspected snapped timing belt — run a compression check across all cylinders and give me the numbers before quoting." Any cylinder reading near-zero means bent valves and a head rebuild on top of the timing job ($2,500-$4,000+); intact compression means you may "just" need the belt and tensioners ($1,000-$1,800). Chain jobs are more invasive ($1,500-$3,500). Get a written quote with the compression numbers on it, and weigh it against the car's value before authorizing. The preventive math for everyone else reading this: a scheduled belt job costs a fraction of an emergency one. See our timing belt replacement cost guide.

Quick decision tree

Use this in your driveway (engine cool, foot off the gas pedal):

Engine cranks suspiciously fast and easy, sounds "free"? Possible broken timing belt or chain. Stop cranking. Tow it. $1,000-$4,000+.

Fuel gauge reading E or close to it? Empty tank. Free.

Security light flashing during cranking? Anti-theft lockout. $0-$200 — and try the spare key, because a spare that starts the car names the fault as your primary key.

No fuel pump prime sound when you turn the key to On? Swap the fuel pump relay first — $10-$40. Still silent? Bad fuel pump. $600-$1,500.

Strong raw gas smell at the exhaust during cranking? Spark problem — bad plugs, coils, or wires. $80-$400.

No smell of gas at the exhaust during cranking, fuel gauge isn't empty? Fuel delivery problem — the filter (cause #5) or the pump and its relay (causes #3 and #6). $80-$1,500.

Stored code P033x or P034x? Crankshaft or camshaft position sensor. $200-$500. (A flashing check engine light on a running engine means an active misfire, not a position sensor — that has its own guide.)

Long cranking that gradually got worse over months? Fuel filter or fuel pump declining. $80-$1,500.

What 867 NHTSA crank-no-start complaints show

Everything above comes from mechanics and physics. This section comes from a file most no-start pages never open: the complaints American owners file with the federal government, narratives included.

We loaded all 777,040 vehicle complaints received between 1 January 2015 and 8 September 2026 and kept only narratives containing an explicit crank-but-no-start construction — the engine cranks, turns over or spins, and will not, does not, did not or never starts, fires, catches or runs — while rejecting the opposite complaint, the car that would not crank at all. That leaves 867 complaints, a deliberately narrow set. We read thirty at random: twenty-eight described a true crank-no-start and two were no-crank reports that slipped through the negation filter, so treat every count as carrying roughly one mis-sort in fifteen. The method file lists every pattern and exclusion.

It is the safest serious failure in the whole complaint file, and that matters for your schedule. The crash field is set in 0.23% of these complaints and fire in 0.35%, against 4.37% and 1.82% across all 777,040. Two injuries, no deaths. A car that will not start cannot hurt you — which is the license this guide has been claiming for its slow, methodical approach. You can take a day to diagnose this properly.

But a third of them started as something that happened at speed. 265 narratives (30.6%) describe the engine dying while driving, stalling or shutting down before the no-start, and 246 (28.4%) put the driver at the roadside, on a highway, in an intersection or in a parking lot. The dangerous half of this failure happens the drive before the one that would not start. If your car quit in traffic and then refused to restart, you are not reading about a parking-lot inconvenience — you are reading about an intermittent fault that has already picked its moment once.

A word about the tow field, because it lies here. NHTSA's structured "towed" field is set in only 1.27% of these 867 complaints, below the 5.11% baseline — absurd for a car that cannot move. Meanwhile 28.3% of the narratives use the word tow. The field is optional and frequently skipped. When a checkbox and a free-text field disagree by twenty points, believe the one somebody had to type.

The fuel side dominates the vocabulary, and by a lot. Counting which part or system each narrative names: fuel pump, pump module or fuel module in 292 complaints (33.7%); a relay, a fuse or an integrated power module in 239 (27.6%). Then a long drop: wiring, harness or connectors 43 (5.0%), a battery replaced or declared good 42 (4.8%), the ignition side 37 (4.3%), a crank or cam position sensor 36 (4.2%), the immobilizer or key 36 (4.2%), an engine control module or software 28 (3.2%), timing belt or chain 22 (2.5%), and a fuel filter in just 6 (0.7%).

Read that as a map of vocabulary, not of causes — owners write down the part a shop named, and nobody files a federal complaint because a gallon of gas fixed it. But the shape is the lesson of this page: the two most-named items in the file are the pump and the thing that switches the pump on, separated by a factor of fifty in price.

One in five is intermittent, and one in eight went back more than once. 172 complaints (19.8%) describe a fault that comes and goes, and 110 (12.7%) a second, third or fourth visit for the same no-start. Intermittent is the hard case, and the defense is documentation: day, temperature, engine hot or cold, prime whir present or absent. A fault you can describe is a fault a technician can chase.

Mileage is middling, not high. 544 complaints report a usable odometer figure: median 85,000 miles, quartiles 56,000 and 114,326. 12.3% are at or under 36,000 miles and 28.1% at or under 60,000 — better than one in four arriving while a factory warranty could still have been in force.

Which vehicles fill the crank-no-start file

Read this as a map of where the paperwork is, not a reliability ranking. These are raw counts of unverified owner reports with no denominator: NHTSA publishes no figure for how many of each model are on the road, and 284 of the 867 narratives (32.8%) mention a recall, which is itself a reason to file. Nothing here says any of these vehicles is unreliable.

What it does say is that one corporate family holds an unusual share of a narrow file: Dodge, Jeep, Chrysler and the Volkswagen Routan (a rebadged Chrysler minivan) together account for 283 of 867 complaints, 32.6%. That is not a coincidence, and it is not folklore. It has three recall numbers, which is where we go next. Full tables as CSV.

The fuel pump relay that became three federal recalls

Cause #3 on this page argues that a relay can imitate a $700 pump. Here is that argument as federal paperwork, because it is the best-documented crank-no-start in the United States.

On 21 August 2014 the Center for Auto Safety petitioned NHTSA to investigate the Totally Integrated Power Module (TIPM) — the fuse-and-relay box that controls most of the electrical system on Chrysler products from the 2007 model year on. The agency opened defect petition DP14-004 on 25 September 2014. Its closing analysis is worth quoting, because it is the whole thesis of cause #3 in the government's own words: ODI "identified a single defect condition related to 1 of over 60 different circuits in the TIPM assembly. The most common effect of this defect condition, related to the fuel pump relay, was a no-start concern, but it could also result in stall while driving (76 complaints)."

The agency denied the petition for a broader investigation — it found no support for the claims about airbags, unintended acceleration or fire — but by then Chrysler had already filed the recalls:

• 14V-530, 4 September 2014 — 189,206 model year 2011 Dodge Durango and Jeep Grand Cherokee vehicles built 5 January 2010 to 20 July 2011. "The fuel pump relay inside the Totally Integrated Power Module (TIPM-7) may fail, causing the vehicle to stall without warning." Remedy: replace the fuel pump relay with one external to the TIPM.
• 15V-115, 27 February 2015 — a further 339,525 2012-2013 Grand Cherokee and Durango vehicles, same defect, same remedy.
• 19V-813, 14 November 2019 — 528,594 2011-2013 Durango and Grand Cherokee vehicles "previously recalled under NHTSA Recall 14V530 or 15V115." The replacement relay and its harness had to be recalled too.

Three things to take from that sequence.

First, the relay is not a folk theory. A manufacturer filed a defect report on a fuel pump relay, the federal government recorded that its most common effect was a no-start, and the fix was to move the relay out of the module entirely.

Second, the expensive version of this repair is the module, not the pump. Owners in our complaint set describe being quoted $1,000 to $1,200 to replace a TIPM, while one names the Mopar relay part at $18.88 and the whole job, labor included, at $176.

Third, a completed recall is not a closed file. 19V-813 exists because the first remedy did not hold. If your VIN sits in this family, ask which campaign was performed, on what date, and whether the later one has been done too.

One more document belongs here for everyone else. 15E-028, filed by Robert Bosch on 6 April 2015, recalled 132,536 Bosch fuel delivery modules built between September 2013 and April 2014 across multiple vehicle brands: "Improper nickel plating of components within the fuel pump may result in the fuel pump failing... the vehicle will not start, or if the engine is running, it will stop and the vehicle will stall." That is a reminder for cause #6: the replacement pump is a part with a history of its own, which is why the section says to ask what brand is going in.

And for the sensor end of the page, 10V-384, Toyota, 26 August 2010, covered 1,128,659 2005-2008 Corolla and Corolla Matrix vehicles whose engine control module might develop cracks at solder points: "the engine warning lamp could be illuminated, harsh shifting could result, the engine may not start, or the engine could shut off while the vehicle is being driven." A no-start with a stall history and a check engine light has been a recall before, on more than a million cars.

What owners report paying

45 of the 867 narratives put a dollar figure next to a fuel pump, a relay, a fuse or the power module that holds them. That is a small sample and should be read as one, but the shape is consistent:

• Median $1,100, quartiles $600 and $1,400, lowest $140, highest $2,200.
• 30 of the 45 figures are $1,000 or more, which is the module-replacement end of the range rather than the relay end.
• The single cheapest complete repair described in the set: a genuine fuel pump relay at $18.88 with a $176 total bill including labor.

Two warnings. The figures come from people angry enough to file with the federal government, which skews toward large and disputed bills — the one owner here who reported $176 was making a point about the $1,000 alternative. And they mix relays, modules and pumps, because the narratives often do. Use the median as a ceiling to argue against, not as a quote. Download the figures.

Three no-starts, decoded

These are composite scenarios, not individual customers: each combines details that come up repeatedly in owner reports and shop quotes, assembled from this guide's own ranges so the arithmetic is visible.

Scenario 1: the minivan that quit at a light, then would not restart. Cranks normally, no prime whir, security light behaves. The owner swaps the fuel pump relay with the horn relay in the driveway and the engine fires on the first try. Then the VIN check, which is the part most people skip: the vehicle falls inside a campaign family whose remedy is to relocate the relay outside the module, and the dealer does the work. Out of pocket: $0. Lesson: the five-minute relay swap is a diagnosis, and the VIN lookup afterwards decides who pays for the permanent fix.

Scenario 2: the $700 pump that was a $30 part. Same silence at key-On. The shop skips the relay, quotes a pump, replaces it, and the car starts. Six weeks later it strands the owner again, because the intermittent relay had nothing to do with the pump and never got looked at. The second shop finds it in ten minutes. Total: the pump job plus a second diagnostic, for a fault a borrowed relay would have named in the driveway. Lesson: a repair that works is not the same as a diagnosis that was right.

Scenario 3: the hot no-start nobody could reproduce. Starts every morning, refuses after a highway run, starts again half an hour later. Two shop visits end in "could not duplicate." The owner starts logging: time, outside temperature, engine hot or cold, prime whir present or absent, and a live RPM reading from a cheap Bluetooth reader during a hot crank attempt. The third visit begins with that log and a scan showing zero cranking RPM, and the crank position sensor is replaced. $200-$500. Lesson: an intermittent fault is won with a notebook. Twelve percent of the complaint file went back to a shop more than once, and the difference is almost always what the owner could describe.

Read your car's own crank-no-start record in ten minutes

1. Find your VIN — windshield base on the driver's side, door jamb sticker, insurance card or registration.
2. Run it through NHTSA's recall lookup. It reports open, unrepaired safety recalls for that individual vehicle. A recalled defect must be remedied without charge under 49 U.S.C. 30120, subject to the statute's limits.
3. Ask about completed campaigns too, not just open ones. The TIPM sequence above is the reason: a campaign performed in 2015 can be superseded by one filed in 2019, and the lookup that says "no open recalls" will not tell you that story on its own.
4. Read the complaints for your exact year and model, searching the page for crank, no start and stall. Owners describing your pattern at roughly your mileage is a pattern, not a coincidence.
5. List the manufacturer communications for your model year. A bulletin title naming hard starting, long crank or a fuel pump control module is worth quoting by number at the service desk.
6. Then call a dealer with the VIN and ask two questions: is there an open campaign or extended coverage on this vehicle, and is there a bulletin for a no-start on this engine. Write down the answer and who gave it.

The diagnostic trap most drivers fall into

Crank-no-start is uniquely vulnerable to one specific mistake: excessive cranking.

When the car won't start, the instinct is to crank harder and longer. That's exactly wrong, and it's how a $300 problem becomes a $1,500 one.

What excessive cranking does:

1. Floods the engine with unburned fuel, soaking the spark plugs and making the next start impossible even after you fix the underlying issue.
2. Drains the battery to the point where the starter no longer cranks well, masking the actual problem (now you don't know if it's a crank-no-start or a battery problem).
3. Overheats the starter motor — rated for short bursts, not 30-second marathons; extended cranking can burn one out, turning your no-start into a no-crank.
4. Wears the timing belt further if that was the failing component, increasing the chance of interference damage.

The right approach: crank for 5-10 seconds maximum, wait 30 seconds (so the starter cools), then try once more. If three short attempts produce no fire, the problem isn't going to fix itself with a fourth attempt. Stop, diagnose, then come back.

A car that arrives at a shop after twenty minutes of frustrated cranking makes the shop solve two problems: the original one, and the flooded plugs, flat battery and cooked starter that the cranking added.

The second trap is the shop's parts cannon: instead of testing, a bad shop replaces a battery ($300), then plugs and coils ($450), then "must be the pump" ($700), until your $200 sensor gets fixed by accident and the invoice reads $1,450. Your defense is one question before approving anything: "What did you test, and what were the readings?" A real diagnosis has numbers — fuel pressure in psi, cranking RPM, spark results, compression per cylinder. A guess has vibes. And you're not walking in empty-handed: the protocol at the top of this article replicates the first half of a professional diagnosis for free. Tell them what you've already ruled out, and the honest shops will respect it — the other kind will reveal themselves by ignoring it. If you've also been told to "just buy an OBD2 scanner," our sound diagnosis vs OBD scanner comparison explains exactly what a scanner does and doesn't tell you in a no-start situation — for sensor failures it's useful, but for most fuel and ignition issues you need to listen to the engine itself.

What to do next

If you're stuck and your engine is cranking but not starting, here's the priority order:

1. Stop cranking. Three attempts of 5-10 seconds each, with 30 seconds between, is enough to confirm the problem. More cranking makes it worse.
2. Run the 15-minute protocol — gauge, security light, prime test, relay swap, smell test, codes. Most readers land on their cause without a single tool.
3. If it's a DIY cause (#1-#5 are all candidates), the steps are in each section above. Order the part, fix it today.
4. If it's shop territory, call two shops before the tow — a car in your driveway has leverage; a car on their lift has none. Use the script: "Cranks but won't start. No prime at key-On, relay checks out — what would you charge to confirm and fix that?" You'll hear within one sentence whether you've reached a tester or a parts cannon.
5. Tow to a shop you choose, not the nearest one. A local tow runs $75-$150, and the shop you picked versus the only one within pushing distance is routinely a several-hundred-dollar difference. Dealer labor rates generally run above independent rates, and a dealer is the right call when your VIN sits inside a campaign — so check the VIN first, then decide. Tell whoever gets the car what you've ruled out so they don't repeat, and re-bill, the work.

Crank-no-start is annoying but rarely an emergency — the car won't get worse if you wait a day to diagnose it properly, as long as you stop cranking. What gets expensive is rushing to the wrong fix.

For related diagnoses: car won't start with no click, car clicking when starting, engine knocking, car shaking at idle and the complete guide to strange car noises.

Sources and documents

Primary documents and data, opened and read this month. Our own analysis is published as CSV so you can check it.

1. NHTSA ODI defect petition DP14-004, "Totally Integrated Power Module Failure," opened 25 September 2014, closed 24 July 2015 — 296 complaints reviewed, and ODI's finding that the defect was "related to 1 of over 60 different circuits in the TIPM assembly" whose "most common effect... related to the fuel pump relay, was a no-start concern," with 76 stall-while-driving complaints. Text as published in NHTSA's investigations flat file. File layout
2. Recall 14V-530, Chrysler, 4 September 2014 — 189,206 model year 2011 Durango and Grand Cherokee vehicles; the fuel pump relay inside the TIPM-7 "may fail, causing the vehicle to stall without warning"; remedy, a relay external to the TIPM. Campaign record
3. Recall 15V-115, Chrysler, 27 February 2015 — 339,525 further 2012-2013 Grand Cherokee and Durango vehicles, same defect and remedy. Campaign record
4. Recall 19V-813, FCA US, 14 November 2019 — 528,594 2011-2013 Durango and Grand Cherokee vehicles "previously recalled under NHTSA Recall 14V530 or 15V115"; the replacement relay and wire harness recalled in turn. Campaign record
5. Recall 15E-028, Robert Bosch LLC, 6 April 2015 — 132,536 Bosch fuel delivery modules built 9 September 2013 to 16 April 2014 across several brands: improper nickel plating "may result in the fuel pump failing... the vehicle will not start." Campaign record
6. Recall 10V-384, Toyota, 26 August 2010 — 1,128,659 2005-2008 Corolla and Corolla Matrix vehicles with a possibly cracked engine control module: "the engine may not start, or the engine could shut off while the vehicle is being driven." Campaign record
7. 49 U.S.C. 30120 — a manufacturer must remedy a recalled defect without charge, subject to the statute's limits. Statute
8. NHTSA complaint flat file — 777,040 vehicle complaints, 1 January 2015 to 8 September 2026. Field dictionary
9. Genuine parts prices, re-checked 18 September 2026 — Toyota crank position sensor 90919-05060 at $105.72 (list $149.02) and circuit opening relay 90987-02022 at $79.52 (list $112.09) at ToyotaPartsDeal; Honda power relay 39794-SDA-A05 at $22.62 (list $32.22) and NGK spark plug 12290-5A2-A01 at $16.44 (list $23.22) at HondaPartsNow.
10. Our analysis, published — by make, top models, what owners named, owner-reported figures, method file. CC BY 4.0.

What we could not verify. No published dataset gives the share of crank-no-starts caused by each of these nine problems, and the complaint file cannot supply one — it counts the failures somebody was angry enough to report, not the failures that happen. That is why this page ranks causes by cost, not by percentage. We also could not re-read the repair estimators: RepairPal, AutoZone, O'Reilly, NAPA, Advance Auto Parts and PartsGeek all returned HTTP 403 on 18 September 2026, and RockAuto served a CAPTCHA.

How these numbers were built: parts prices from the genuine-parts catalogs named above, read 18 September 2026; labor ranges from published 2026 repair-estimator figures and typical independent-shop quotes (relay swap DIY; fuel filter $60-$140 labor; plug job $80-$300 by access; crank sensor $150-$350 labor; fuel pump $450-$1,000 labor to drop a tank; short-circuit tracing $100-$180; timing belt $1,000-$1,800 and chain $1,500-$3,500). Owner-reported repair figures computed by us from 867 NHTSA crank-no-start complaints.

Prices verified September 2026: the four genuine part prices above were read at their catalogs on 18 September 2026 and are the only figures on this page re-priced in this pass. Every labor range keeps its earlier date because no estimator would serve our checks — RepairPal and the parts-store service pages returned HTTP 403 on 18 September 2026 and RockAuto served a CAPTCHA — so treat those as estimates you confirm at the counter. Technical documents verified September 2026: the recall campaign records were read through NHTSA's API on 18 September 2026, and the complaint, recall and investigation flat files behind our own analysis were queried the same day.

Have a crank-no-start pattern we didn't cover? Email [email protected] with what you're seeing and we'll add it to the next version of this guide.