Powertrain
generic / SAE
P0394
Camshaft Position Sensor B Circuit Intermittent (Bank 2)
Camshaft position sensor B signal jumps or drops out intermittently on bank 2 (or on engines with a single cam sensor).
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 94
Possible causes
- Intermittent connector high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–500 €
- Estimated time: 0.5–2.5 h
- Component: camshaft position sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012