COUPLING AS 4980783 - Caterpillar

Starting Aids (if applicable)
Starting aids (cold operation temperature)Engine Shutdown Switches (if applicable)
Engine shutdown switches (if applicable)Personality Module
Incorrect personality moduleEngine Speed/Timing Sensor
Verify that the ECM is receiving a signal from the engine speed/timing sensor.Throttle Signal
Intermittent throttle signal Injection Actuation Pressure
Proper operation of the injection