|
|
Symptom: P1220-FUEL QUANTITY ACTUATOR NEG GOV DEVIATION COLD When Monitored and Set Condition: P1220-FUEL QUANTITY ACTUATOR NEG GOV DEVIATION COLD When Monitored: With the engine running. Set Condition: The ECM has attempted to compensate for a rich condition and the engine coolant temperature is below 60° C (140° F). NOTE: An improperly timed fuel injection POSSIBLE CAUSES INTERMITTENT CONDITION FUEL INJECTION PUMP SHORTED INTERNALLY FUEL QUANTITY ACTUATOR CONTROL CIRCUIT SHORTED TO GROUND INTERNAL FUEL INJECTION PUMP TEST ENGINE CONTROL MODULE TEST ACTION APPLICABILITY 1 NOTE: An improperly timed Fuel Injection Pump may also set this DTC. All Yes → No → 2 Turn the ignition off. All Yes → No → Replace the Fuel Injection Pump in accordance with the Service 99 DRIVEABILITY - DIESEL |