Powertrain
generic / SAE
P0339
Crankshaft Position Sensor A Circuit Intermittent
The crankshaft position sensor A signal jumps or drops out intermittently — connector, sensor air gap, or damaged tone wheel. The PCM may detect a "false" stall or misfire spike when the signal drops.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 39
Possible causes
- Intermittent connector high
- Tone wheel chipped or contaminated medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–2.5 h
- Component: crankshaft position sensor
- Component: flywheel
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012