CONTENTS
HIGH OIL PRESSURE
CHECK ENGINE WARNINGCONTENTS
DASHBOARD
INDICATORS
ENGINE-RELATED
LOW OIL PRESSURE
CONDITION(S)
- LOW OIL PRESSURE INDICATED BY LIGHT OR GAUGE
- PERHAPS ACCOMPANIED BY RATTLING, KNOCKING OR CLICKING SOUND
- WARNING LIGHT OCCURS ONLY AT IDLE
POTENTIAL CAUSE(S)
CHECK THESE FIRST:
1. LOW ENGINE OIL LEVEL
Add engine oil if necessary.2. CLOGGED OIL PUMP PICKUP SCREEN
Remove engine sludge.3. DILUTED OIL (CONTAMINATED BY GASOLINE)
Change oil and filter.
Alter driving habits.4. WORN OIL PUMP
Have oil pump professionally replaced.CHECK THESE NEXT:
5. FAULTY OIL PRESSURE SENDING UNIT OR CLOGGED LINE TO IT
Have oil pressure sending unit professionally replaced or clog removed.6. ENGINE LEAKING OIL
Have cause of oil leak professionally corrected.7. OIL GRADE (VISCOSITY) TOO LOW
Change oil and filter; use correct grade.8. EXCESSIVE BEARING CLEARANCE
Have bearings professionally replaced.CHECK THESE LAST:
9. OIL PUMP PRESSURE RELIEF VALVE STUCK OPEN OR SPRING TENSION TOO WEAK
Have oil pump pressure relief valve or spring professionally replaced.10. FAULTY OIL FILTER BYPASS VALVE
Replace oil filter.11. OIL PUMP SUCTION TUBE LOOSE, BENT OR CRACKED
Have oil pump suction tube professionally serviced.12. FAULTY OIL PRESSURE GAUGE OR LIGHT
Have oil pressure gauge or light professionally replaced.
CONTENTS HIGH OIL PRESSURE CHECK ENGINE WARNING