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Fiat Ulysse Factory Service Manual (2002-2010)22 · Fault diagnosis
22 · Diagnostics

Low engine oil pressure

Make
Fiat
Model
Ulysse Factory Service Manual
Year
2002–2010
Section
Engine › Low engine oil pressure
Fault diagnosisLow engine oil pressure

LOW ENGINE OIL PRESSURE

2.0 16V JTD, 2.2 16V JTD

The instrument indicates a decrease in pressure in the engine lubrication circuit.

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION

Check:

  • that the engine oil level is correct
  • that there are no significant leaks from lubrication circuit
Move on to Step1. Oil level low1. Restore the correct level
2. Leaks detected2. Eliminate leaks
1LUBRICATION SYSTEM PRESSURE CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the lubrication system pressure is correctMove on to StepLow engine oil pressureMove on to Step
2LUBRICATION SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the engine oil pump is working properlyMove on to StepOil pump faulty

Replace the oil pump

Op. 1084B10 ENGINE OIL PUMP - R + R WITH CRANKCASE SUMP REMOVED

3LUBRICATION SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check:

  • the seal of the crankshaft duct plugs;
  • the main journal/crankcase bearing clearance
Move on to Step1. Plugs faulty1. Replace the plugs
2. Clearance too large2. Restore correct values
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsSearch for the fault in control panel

Parts & tools for this job Staging For 2002 Fiat Ulysse

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