Engine and gearbox (P)
P0024: Exhaust Camshaft Timing Over-Advanced
The exhaust camshaft on bank 2 is more advanced than the engine control unit has commanded. This can affect engine performance and efficiency.
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- Rough idle
- Reduced fuel efficiency
- Engine knocking
- Check engine light on
Common causes
- Oil control valve stuck open
- Faulty camshaft position sensor
- Low engine oil level
- Dirty or degraded engine oil
- Timing chain or belt issues
How to check it yourself
- Check engine oil level and condition
- Inspect and clean oil control valve
- Test camshaft position sensor
- Inspect timing chain or belt for wear
Can I keep driving?
The car can be driven, but prolonged use may cause engine 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