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

Fuel level gauge not working

Make
Fiat
Model
Multipla Factory Service Manual
Year
1998–2010
Section
Instrument panel › Fuel level gauge not working
Fault diagnosisFuel level gauge not working

FUEL LEVEL GAUGE NOT WORKING

With the ignition key in the ON position, the fuel gauge indicator is not working properly (it indicates a different level from what is actually in the tank)

Results of the tests
1FUEL GAUGE ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation

Check:

  • the connection between the fuel gauge and the instrument, through the junction unit
  • the instrument supply
  • the instrument earth

( See E4010 INSTRUMENT PANEL).

Continue to Step 2Connections brokenRestore the connections
2FUEL GAUGE CHECKAll OKProblems metOperation

Check the operation of the fuel gauge.

In particular, check that the drip tray is correctly fitted as it could impede the float.

Continue to Step 3Sender unit defectiveReplace the sender unit inside the fuel pump Op. 1040A70
3CHECK INSTRUMENTAll OKProblems metOperation
Check the instrument is working properly, particularly the fuel level signal check devicesee DESCRIPTION AND OPERATION: 5560 INSTRUMENT PANELContinue to Step 4Instrument not workingChange the instrument Op. 5560B10
4CHECKING 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 For 1998 Fiat Multipla

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