Fuel Pressure Sensor/Switch: Service and Repair

Fuel Rail Pressure (FRP) Sensor

Removal

All vehicles
1. Depressurize the fuel system.

Vehicles with 3.5L or 4.2L engine without supercharger






1. Remove the oil filler cap.






2. Remove the engine cover.

Vehicles with supercharger






1. Remove the engine cover.

All vehicles






1. NOTE:
- Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with supercharger similar.
- Disconnect the fuel rail pressure (FRP) sensor vacuum hose.
- Disconnect the FRP sensor electrical connector.
- Disconnect the FRP sensor vacuum hose.






2. NOTE:
- Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with supercharger similar.
- Remove the FRP sensor.
- Remove and discard the O-ring seals.

Installation






1. Install a new O-ring seals.
- To install, reverse the removal procedure.
- Tighten to 5 Nm.