Operation CHARM: Car repair manuals for everyone.

Engine Oil Pressure






DIAGNOSIS AND TESTING - ENGINE OIL PRESSURE




1. Remove oil pressure sending unit and install gauge assembly C-3292.
2. Run engine until thermostat opens.
3. Oil Pressure:

- Curb Idle - 25 kPa (4 psi) minimum
- 3000 rpm - 170 - 550 kPa (25 - 80 psi)


4. If oil pressure is 0 at idle, shut off engine. Check for a clogged oil pick-up screen or a pressure relief valve stuck open.