Fuel Rail press sensor (P_RAIL), stuck
â–¶ How to fix
Inspect the fuel rail and sensor position. Replace the rail pressure sensor if necessary according to the safety instructions. To erase the DTC, run the engine with medium or high load for 5 minutes. If the fault is healed, the DTC will become passive and can be erased.
What you'll see
No driver-visible symptom recorded.
System reaction
The engine undergoes torque reduction. MI and yellow engine warning lamps are lit.
Diagnostic depth
Detection
The value from the rail pressure sensor is constant although the engine operation/speed indicates it shouldn’t be constant.
Possible cause
The rail pressure sensor is stuck at one value or the sensor is not inside the fuel rail.