ENGINE (DIAGNOSTICS)(H4DOTC DIESEL) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0191 FUEL PRESSURE SENSOR PERFORMANCE

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:

• Engine speed does not change.

• Poor acceleration

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode , and Inspection Mode .

STEPCHECKYESNO

1.CHECK FOR ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”.

Replace the common rail assembly.