Engine and gearbox (P)
P0022: Camshaft Timing Over-Retarded Bank 2
This code indicates that the intake camshaft on bank 2 is more retarded than the engine control unit expects. It can be caused by issues with the oil control system or mechanical parts.
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- Engine runs rough
- Reduced power
- Poor fuel economy
- Check engine light on
Common causes
- Stuck oil control valve
- Blocked oil passages
- Worn cam phaser
- Low oil level
- Dirty oil
How to check it yourself
- Check engine oil level and condition
- Inspect oil control valve for proper operation
- Examine oil passages for blockages
- Inspect cam phaser for wear
- Readjust camshaft timing if necessary
Can I keep driving?
The car can be driven, but performance may be reduced. Address the issue soon to avoid further damage.
General guidance, not a professional inspection. Confirm faults with measurements before buying parts, and use a qualified mechanic for brakes, steering, fuel leaks, airbags, and other safety-critical work. Terms and disclaimer