P004B Urgente
Turbocharger/Supercharger Boost Control B Circuit Range/Performance
No conducir — requiere atención inmediata
Descripción
This code means the 'B' boost control solenoid for your turbocharger or supercharger is not operating within its expected performance range. The system responsible for managing engine boost is likely malfunctioning.
Causas comunes
- Faulty boost control solenoid (B)
- Boost leak
- Wiring issue to the boost control solenoid (B)
- Problem with the engine control module (ECM)
- Clogged boost control solenoid (B)
Síntomas
- Check Engine light is on
- Lack of power
- Erratic boost pressure
- Poor fuel economy