P0091 Urgente
Fuel Pressure Regulator 1 Control Circuit Low
No conducir — requiere atención inmediata
Descripción
This code means the control circuit for the fuel pressure regulator is experiencing a low voltage condition. The signal sent to or from the regulator is weaker than expected, which can prevent it from functioning correctly.
Causas comunes
- Low voltage from the fuel pressure regulator circuit
- Damaged wiring causing voltage drop
- Faulty fuel pressure regulator
- Loose electrical connection
- Low battery voltage
Síntomas
- Engine stalling
- Rough idling
- Poor engine performance
- Check engine light illuminated