D014 ENGINE CUTS OUT WHEN IDLING (THEN RESTARS) - Fiat - NUOVA 500 - eLearn

The customer complains that: The engine cuts out whilst it is running; it can be restarted

1	FUEL SUPPLY CIRCUIT CHECKS	All OK	Problems encountered	Operation
		Test results
	Check that the air intake/vacuum circuit is working properlyCheck the condition of the fuel supply circuit and make sure that it is working properly Also check: wiring on engine correctly fastened to earth; battery correctly fastened to earth; positive battery terminal and all leads connected to it correctly fastened	Move on to Step 2	1. Supply fastenings slack or oxidized2. Earth fastenings slack or oxidized	1. Restore correct fastenings See E1010 POWER SUPPLY 2. Restore correct fastenings See E1010 POWER SUPPLY
2	CHECK USING THE EXAMINER	All OK	Problems encountered	Operation
	With the Examiner connected to the engine control unit, check for the presence of any errors	Move on to Step 3	Presence of errors	Continue as instructed by the diagnostic equipment
3	MOTORIZED THROTTLE CHECK	All OK	Problems encountered	Operation
	Check that the motorized throttle is working properlyCheck the continuity/insulation of the wiring between the engine control unit and the motorized throttle by carrying out the See Test 1056BW THROTTLE BODY ACTUATOR OPERATION CHECK	End of diagnosis	1. Motorized throttle defective2. Wiring defective	1. Replace the motorized throttleOp. 1056B14 2. Restore correct wiring.