2888344 - D35 LOW ENGINE OIL PRESSURE
The warning light indicates a decrease in pressure in the engine lubrication circuit.| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation | 
|---|---|---|---|---|
| Preliminarily check: 
 | Continue to Step 1 | Engine oil level too low | Top up the engine oil level Op. 1084A10 | |
| Faults in the warning light circuit | See table K30 | |||
| 1 | ENGINE OIL TYPE AND FILTER CHECK | All OK | Problems met | Operation | 
| Check that the engine oil is the recommended type in the correct quantityCheck that the oil filter is the recommended type and that it is correctly fitted | Continue to Step 2 | Engine oil unsuitable | Change the engine oil | |
| Oil filter unsuitable or incorrectly fitted | Replace the engine oil filter Op. 1084B30 | |||
| 2 | OIL PUMP CHECK | All OK | Problems met | Operation | 
| Check the condition of the oil pump. In particular check: 
 | Continue to Step 3 | Oil pump damaged or distortedPressure relief valve damaged | Replace the oil pump Op. 1084B16 | |
| 3 | LUBRICATION SYSTEM CHECK | All OK | Problems met | Operation | 
| Carry out a general check on the lubrication system Op. 0510C20 | Continue to Step 4 | Faults in the lubrication system | Restore the lubrication system (see Assembly 1054B) | |
| 4 | MAIN/BIG END BEARINGS CHECK | All OK | Problems met | Operation | 
| Overhaul the engine: in particular check the condition of the main and big end bearings | Continue to Step 5 | Main and big end bearings faulty | Replace main and big end bearings Op. 1024A10 | |
| 5 | CHECKING 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' | |