VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
PROBLEMS MAY OCCUR WITH THE WILLIAMS CONTROLS THROTTLE PEDAL ASSEMBLIES USED ON DETROIT DIESEL DDEC III ENGINES (SPECIFICALLY WITH THROTTLE PEDAL POSITION SENSORS MANUFACTURED SINCE JULY 1994): THE ENGINE RETARDER MAY NOT ALWAYS ENGAGE. THE ENGINE MAY INTERMITTENTLY IDLE AT A SLIGHTLY ELEVATED RPM. *SD