Fault description

Diagnosis monitors the fuel mass actually injected or the operability of the high pressure fuel sensor.

The fault is detected when the high pressure mixture deviates by -20 bar from the target value or the pressure regulator by -20 bar from the zero position for 3 s and oxygen sensor emissions control and/or the adaptation exceeds -10 % deviation. Cylinder bank 1

Possible fault cause:

• Short to ground on signal line