Powertrain
generic / SAE
P03F8
B Camshaft Position Actuator Position Sensor C Circuit Low (Bank 1)
Position sensor C below lower plausibility — short to ground. The camshaft position sensor identifies which cylinder is on the compression stroke — without it the ECM cannot run sequential injection or coil-on-plug ignition correctly.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / F8
Possible causes
- Short to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation 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: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.7–3 h
- Component: camshaft position actuator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012