DTC P0191-64: Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 - Signal plausibility failure: Action
WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate System Wiring Diagram(s) 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