Engine and gearbox (P)
P003C: Intake Camshaft Actuator Stuck Off
The intake camshaft profile actuator on bank 1 is not engaging as it should, remaining in the low-lift profile. This is often due to a sticking hydraulic pin or low oil pressure.
Checked by a licensed car technician · last reviewed 30 September 2026
Symptoms
- Reduced engine performance
- Increased fuel consumption
- Engine hesitation
- Check engine light on
Common causes
- Oil control valve stuck
- Low oil pressure
- Carbon or debris buildup
How to check it yourself
- Check engine oil level and condition
- Inspect oil control valve for sticking
- Examine for carbon or debris buildup
- Test oil pressure
Can I keep driving?
The car can be driven, but performance may be reduced.
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