DTC P0191-84: Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 - Signal below allowable range: Action
- Vehicle Conditions to enable DTC Logging Strategy
- Engine running for greater than 1 minute
- Prioritized Checks to Perform
- Check connector is not disconnected, connector pin is not backed out
- Refer to the appropriate system wiring diagrams and check fuel rail pressure sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new fuel rail pressure sensor as required