Engine Oil Pressure: Testing and Inspection

CHECKING ENGINE OIL PRESSURE

1. Disconnect and remove oil pressure switch. Oil Pressure Switch - Removal
2. Install Gauge C-3292A with Adaptor fitting 8406.
3. Start engine and record oil pressure. Refer to Specifications for correct oil pressure requirements. Engine Specifications.

CAUTION: If oil pressure is 0 at idle, do not perform the 3000 RPM test

4. If oil pressure is 0 at idle. Shut off engine, check for pressure relief valve stuck open, a clogged oil pick-up screen or a damaged oil pick-up tube O-ring.
5. After test is complete, remove test gauge and fitting.
6. Install oil pressure switch and connector. Oil Pressure Switch - Installation.