DTC P0370: FUEL INJECTION PUMP SPEED/POSITION SENSOR SIGNAL LOST

Monitor & Set Conditions

Fuel injection pump speed/position sensor signal is monitored continuously. DTC may be stored when fuel injection pump can't control engine.

Possible Causes

• Fuel injection pump

Testing

1. Turn ignition on with engine off. Using DRBIII(R) scan tool, check for ECM DTCs. If DTC P0370 does not exist, go to next step. If DTC P0370 exists, replace fuel injection pump. See appropriate REMOVAL, OVERHAUL & INSTALLATION article.

2. Start engine and allow engine to idle for one minute. Using scan tool, check for DTCs. If DTC P0370 does not exist, test is complete. If DTC P0370 exists, replace fuel injection pump. See appropriate REMOVAL, OVERHAUL & INSTALLATION article.