Checking Engine Oil Pressure
- Check oil pressure using gauge at oil pressure sending unit location. Remove pressure sending unit and install oil pressure gauge. See Fig 1.CAUTION: If oil pressure is 0 at idle, DO NOT operate engine at 3000 RPM.
- Warm engine at high idle until thermostat opens. Oil pressure should be 68.9 kPa (10 psi) at idle or 310-517 kPa (45-75 psi) at 3000 RPM.