Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Multipla Factory Service Manual (1998-2010)22 · Fault diagnosis
22 · Diagnostics

Engine starts, and cuts out straight away

Make
Fiat
Model
Multipla Factory Service Manual
Year
1998–2010
Section
Starting › Engine starts, and cuts out straight away
Fault diagnosisEngine starts, and cuts out straight away

ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

1.6 16v

The engine starts, with difficulty and then immediately cuts out suddenly

Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Preliminarily check:

  • that there is no water, other fluid or dirt in the fuel tank
  • the state of the spark plugs and leads
  • the condition of the air intake circuit
  • for any obstruction of the catalyzer
Continue to Step 1Presence of dirt in the fuel tankClean the fuel tank Op. 1040A10
Spark plugs dirty or damagedClean or replace the spark plugs Op. 5510D10
Spark plug leads damagedReplace the spark plug leads Op. 5510D14
Air intake circuit component damagedReplace the component (see Assembly 1048A)
Catalyzer obstructedReplace the catalyzer Op. 1080B62
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there are no fault in the engine management control unitContinue to Step 2An error is detected in the control unitContinue according to the instructions for the diagnostic equipment
Lack of dialogue with the control unitRestore the connection between the engine management control unit and the diagnostic connector ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT).
2COILS CHECKAll OKProblems metOperation
Using the diagnostic equipment (Examiner or other iinstruments), carry out the active diagnosis of the coilsContinue to Step 3Coils connection faultyRestore the connection for the coils with the control unit, ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT)
Ignition coils faultyReplace the ignition coils Op. 5510C14
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'

1.9 JTD 8V

The engine starts, with difficulty and then immediately cuts out suddenly

Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

First check that there is fuel in the tank

Then check:

  • that there is no water, other fluid or dirt in the fuel tank
  • the condition of the air intake circuit
Continue to Step 1Presence of dirt in the fuel tankClean the fuel tank Op. 1040A10
Air intake circuit component damagedReplace the component (see Assembly 1048A)
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket

Check:

  • that there are no faults in the engine management control unit
  • plausibility of all the parameters
Continue to Step 2An error is detected in the control unitContinue according to the instructions for the diagnostic equipment
Lack of dialogue with the control unitRestore the connection between the engine management control unit and the diagnostic connector ( See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT).
2FUEL FILTER CHECKAll OKProblems metOperation
Check the condition and the cleanliness of the fuel filter:Continue to Step 3Filter dirty

Replace the filter element Op. 1044B20

Restore the condition of the filter, the pipes and the heater device

Filter faulty or damagedReplace the filter Op. 1044B10
3LOW PRESSURE CHECKAll OKProblems metOperation
Check the fuel supply circuit, low pressure side: if necessary, use the diagnostic equipment (Examiner) to measure the pressure valuesContinue to Step 4Pressure not correct: fuel filter faultyReplace the fuel filter Op. 1044B10
Pressure not correct: electric pump faultyReplace the electric pump Op. 1040A70
Pressure not correct: low pressure pipes faultyReplace the low pressure pipes (see Assembly 1060F)
4HIGH PRESSURE CHECKAll OKProblems metOperation
Check the fuel supply circuit, high pressure side: for example, using the diagnostic equipment (Examiner) to measure the pressure valuesContinue to Step 5Pressure not correct: pressure pump faultyReplace the pressure pump Op. 1060E10
Pressure not correct: manifold faultyReplace the manifold Op. 1060F30
Pressure not correct: injectors faultyReplace the injectors Op. 1060F10
Pressure not correct: high pressure pipes faultyReplace the high pressure pipes (see Asembly 1060F)
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job Staging For 1998 Fiat Multipla

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