Symptom Troubleshooting Index
WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TROUBLESHOOTING CHART
| Symptom |
Diagnostic procedure |
Also check for |
| Excessive engine oil consumption |
- Verify the engine oil filler cap, oil drain bolt, and oil filter are tight.
- Check for oil leaks.
- Check for worn valve guide(s) (see
VALVE SEAT RECONDITIONING
) or worn valve stem seal(s) (see
VALVE SEAT RECONDITIONING
).
- Check for damaged or worn piston ring(s) (see
BLOCK AND PISTON INSPECTION
).
- Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.) (see
BLOCK AND PISTON INSPECTION
).
|
|
| Low oil pressure indicator does not come on with the ignition switch ON (II) |
- Do the gauge control module self-diagnostic function (see
SELF-DIAGNOSTIC FUNCTION
).
- Test the oil pressure switch (see OIL PRESSURE SWITCH TEST
).
|
An open in the wire between the gauge control module and the oil pressure switch |
| Low oil pressure indicator stays on |
- Check the engine oil level.
- Do the gauge control module self-diagnostic function (see
SELF-DIAGNOSTIC FUNCTION
).
- Test the oil pressure switch (see OIL PRESSURE SWITCH TEST
).
- Check the engine oil pressure (see OIL PRESSURE TEST
).
- Check the oil filter for clogging.
- Check the oil screen for clogging.
- Check the relief valve.
- Inspect the oil pump (see OIL PUMP INSPECTION
).
|
A wire shorted to ground between the gauge control module and the oil pressure switch |