Powertrain
generic / SAE
P0014
"B" Camshaft Position - Timing Over-Advanced (Bank 1)
Exhaust camshaft position bank 1 over-advanced or system performance — the actual cam phase exceeds the commanded value. Usually caused by a stuck-open oil control valve, low oil pressure, sludged passages, or a worn cam phaser. Confirm with a scan tool live data: command 0° advance and watch actual.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 14
Possible causes
- Oil control valve stuck (advance) high
- Sludge in VVT oil passages medium
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: 80–800 €
- Estimated time: 0.5–4 h
- Component: camshaft position actuator
- Component: oil control valve
- Component: cam phaser
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012