Ask Andy AIP0335 Crankshaft Position Sensor A Circuit Malfunction
What it means, what causes it, and what it costs to fix.
What P0335 means
The crank sensor tells the computer engine speed and position for spark and fuel timing. Its signal is missing or erratic.
Can I drive with P0335?
Severity: High. Fix right away. It can cause damage or leave you stranded.
Risky. A failing crank sensor can make the engine stall without warning, or stop it from starting at all. Get it fixed before relying on the car.
Get a diagnosis for your exact car
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Ask Andy about P0335Symptoms
- Engine cranks but won't start
- Stalling, often when hot
- Tachometer drops to zero or jumps
- Intermittent misfires
Common causes
Most likely first.
- Failed crank position sensor
- Damaged wiring or connector
- Damaged reluctor (tone) ring
- Excess metal debris on the sensor tip
How to diagnose P0335
- With a no-start, check whether the tachometer moves while cranking. No movement points to the crank sensor.
- Inspect the sensor connector and wiring.
- Test the sensor output with a scope or meter per spec.
Tip: most US auto parts stores will read your codes for free.
Repair costs
| Crank position sensor | $120–$350 installed |
| Wiring repair | $50–$250 |
Typical US prices. Your vehicle, region, and shop rates will change these.
P0335 FAQ
What does P0335 mean?
P0335 means "Crankshaft Position Sensor A Circuit Malfunction." The crank sensor tells the computer engine speed and position for spark and fuel timing. Its signal is missing or erratic.
Can I drive with a P0335 code?
Risky. A failing crank sensor can make the engine stall without warning, or stop it from starting at all. Get it fixed before relying on the car.
What is the most common cause of P0335?
The most common cause is: Failed crank position sensor. Other causes include damaged wiring or connector and damaged reluctor (tone) ring.
How much does it cost to fix P0335?
Typical repairs run about $50 to $350 in the US, depending on the cause. Crank position sensor: $120–$350 installed.
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