| Excessive engine oil consumption |
- Check for oil leaks.
- Check for worn valve guide(s) (see
VALVE INSPECTION
) or worn valve stem seal(s). (see
VALVE INSPECTION
)
- Check for damaged or worn piston ring(s) (see
PISTON RING REPLACEMENT
).
- Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.) (see
BLOCK AND PISTON INSPECTION
).
|
Check the maintenance records as engine oil that is worn out burns off at a higher rate |
| Low oil pressure indicator does not come on with the ignition switch in ON (II) |
- Do the low oil pressure indicator circuit troubleshooting (Open) (see LOW OIL PRESSURE INDICATOR CIRCUIT TROUBLESHOOTING (OPEN) ).
- Test the oil pressure switch (see OIL PRESSURE SWITCH TEST ).
|
An open in the wire between the PCM and the oil pressure switch |
| Low oil pressure indicator stays on |
- Check the engine oil level (see ENGINE OIL LEVEL CHECK ).
- Do the low oil pressure indicator circuit troubleshooting (Short) (see LOW OIL PRESSURE INDICATOR CIRCUIT TROUBLESHOOTING (SHORT) ).
|
A wire shorted to ground between the PCM and the oil pressure switch |