High Oil Pressure

We listed possible causes of the problem high oil pressure:

1. Improper grade of oil
2. Pressure relief valve stuck closed or improperly adjusted
3. Oil cold or frozen
4. Oil pipe bent or crushed
5. Defective pressure gauge
6. Insufficient bearing clearance
7. Oil Screen or filter clogged
8. Bearing tight due to engine overheating

Truck resource center for engine faults.

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