Also known as a fuel rail pressure sensor, this component monitors fuel pressure in the common rail and informs the vehicle control unit, ECU, to open of the injectors so the fuel-air mixture is adequate.
LOCATION
It is usually located on the fuel rail.
COMMON FAULT SYMPTOMS
- Dirt
- Cable breakage
- Connector problems
- Faulty signal
FAULT EFFECTS
- Poor fuel efficiency
- Failure to start or low power
- Collapsed fuel filter