Engine and gearbox (P)
P000B: Exhaust Camshaft Slow Response Bank 1
The exhaust camshaft on bank 1 is not adjusting its position as quickly as it should. This can affect engine performance and efficiency.
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- Check engine light on
- Rough idling
- Reduced fuel efficiency
- Decreased engine performance
Common causes
- Exhaust VVT solenoid clogged
- Low oil pressure
- Exhaust cam phaser worn
How to check it yourself
- Check engine oil level and condition
- Inspect and clean the exhaust VVT solenoid
- Check for oil leaks
- Inspect the exhaust cam phaser
Can I keep driving?
The car can be driven, but prolonged use may lead to further engine issues.
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