P0335 – Crankshaft Position Sensor A Circuit
Description
The ECM detects no or incorrect signal from the crankshaft position sensor.
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Compare Diagnostic ScannersSymptoms
- No start
- Stalling
- Rough idle
- Misfires
- Poor acceleration
Causes
- Faulty crank sensor
- Damaged wiring
- Connector corrosion
- ECM fault
Diagnosis
- Monitor crank signal
- Inspect wiring
- Test sensor resistance
- Check reluctor wheel
Repair
- Replace crank sensor
- Repair wiring
- Fix connector
- Replace ECM if needed