3233020 - D21 ENGINE CUTS OUT WHILST DRIVING
The engine cuts out suddenly whilst driving. Later, after starting normally, it works again| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| First check that there is fuel in the tank and whether the inertia switch has intervenedCheck that the battery earth is fixed correctly | Continue to Step 1 | Battery earth lead not correctly fixed | Restore correct fixing Op. 5530B22 | |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socket check
| Continue to Step 2 | An error is detected in the control unit | Continue according to the instructions for the diagnostic equipment | |
| Lack of dialogue with the control unit | Restore the connection between the engine management control unit and the diagnostic connector ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT ). | |||
| 2 | ROAD TEST WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Road
test the vehicle keeping the diagnostic equipment (Examiner or other
instruments) connected to the diagnostic socket. Check:
| Continue to Step 3 | Error arises suddenly in the control unit | Renew the supply and earth connections for the engine management control unit ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT ) | |
| 3 | FUEL PRESSURE ROAD TEST | All OK | Problems met | Operation |
| Road test the vehicle and check the fuel supply pressure Op. 0510C10 | Continue to Step 4 | Pressure not correct | Check, in particular, the multi-purpose valve, located on the fuel filler pipe If necessary, replace the valve Op. 1040A30 | |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |