Engine and gearbox (P)

P0014: Exhaust Camshaft Timing Over-Advanced

The exhaust camshaft on bank 1 is more advanced than the engine control unit expects. This can affect engine performance and efficiency.

Checked by a licensed car technician ยท last reviewed 29 September 2026

Symptoms

  • Reduced engine performance
  • Increased fuel consumption
  • Engine misfires
  • Check engine light on

Common causes

  1. Oil control valve stuck open
  2. Low oil pressure
  3. Sludge in VVT oil passages
  4. Worn camshaft phaser

How to check it yourself

  1. Check engine oil level and condition
  2. Inspect oil control valve for proper operation
  3. Examine VVT oil passages for sludge
  4. Test oil pressure
  5. Inspect camshaft phaser for wear

Can I keep driving?

The car can be driven, but prolonged use may lead to 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

All fault codes โ†’