199002965 - D021 ENGINE CUTS OUT WHILST RUNNING AND THEN RESTARTS

The engine cuts out while in gear; it is possible to restart it.
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check the following, in order:- engine control unit correctly fastened to earth;- correct fastening to earth of the battery; - correct fastening of the positive battery pole and all the cables are fastened to it- correct connection of the engine control unit connectorMove on to Step 1Battery fastenings slack or oxidizedRestore correct fastenings
Control unit earth cable fastening looseTighten earth cable
Incorrectly connected engine control unit connectorCorrectly engage engine control unit connector
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check:- that there are no errors in the control unit;- parameter plausibilityMove on to Step 2Error detected in the control unit.Continue following the instructions on the diagnostic equipment
Impossible to activate a dialogue with the control unitMove on to Step 2
2ROAD TEST USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Carry out a road test reproducing the conditions in which the fault occurs, keeping the diagnostic equipment connected and check:- that there are no errors in the control unit;- parameter plausibilityMove on to Step 3The sudden onset of errors in the control unit is detectedContinue following the instructions on the diagnostic equipment
Parameters off the scale.Continue following the instructions on the diagnostic equipment
Loss of dialogue between the control unit and the diagnostic equipment.Restore the correct connections.
3IGNITION SYSTEM CHECKAll OKProblems encounteredOperation
Check the continuity of the supply wiring for the coilsCheck that the ignition coils are working by carrying out    See Test 5510CI IGNITION COIL OPERATION CHECK    See Test 5510CE IGNITION CONTROL SIGNAL CHECKMove on to Step 4Power supply wiring to coils defectiveRestore correct wiring
Coils defectiveReplace coils    Op. 5510C14 IGNITION COIL/S - R.R.
4INJECTION SYSTEM CHECKAll OKProblems encounteredOperation
- Check the continuity of the power supply wiring    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Move on to Step 5Power supply wiring to injectors defectiveRestore correct wiring.
5CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Check that the engine control unit is working properly.End of diagnosisEngine management control unit defective.Replace the engine management control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R