P0191-21 - Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 - Signal amplitude < minimum: Action
- Refer to the applicable 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