P0021 Urgente
'A' Camshaft Position - Timing Over-Advanced or System Performance
No conducir — requiere atención inmediata
Descripción
This code indicates that the engine's computer has detected that the 'A' camshaft is timed too far advanced or there's a system performance issue. This means the valve timing is not where it should be for optimal operation.
Causas comunes
- Faulty camshaft phaser
- Low engine oil pressure or level
- Faulty camshaft position actuator solenoid
- Timing chain jumped a tooth
- Incorrect camshaft timing
Síntomas
- Check engine light illuminated
- Rough idle
- Reduced engine power
- Poor fuel economy
- Engine knocking or pinging