Powertrain
generic / SAE
P25E1
A Camshaft Position - Unable to Achieve Locked Position Bank 2
Camshaft phaser A on bank 2 cannot reach its base position at engine shutdown so the lock pin never engages. Next cold start may run rough until oil pressure builds.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / E1
Possible causes
- Worn vanes or housing inside the phaser high
- Sludge or contaminated oil prevents return to base medium
- Oil control valve leaks internally medium
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: cam phaser a b2
- Component: park lock pin
- Component: oil control valve
- MIL / check engine light
Sources
References
sae:J2012