Low or No Oil Pressure
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause low or no oil pressure:
- Low oil level
Fill to the full mark on the oil level indicator.
- Incorrect or malfunctioning oil pressure switch
Replace the oil pressure switch.
- Incorrect or malfunctioning oil pressure gage
Replace the oil pressure gage.
- Improper oil viscosity or diluted oil
- Install oil of proper viscosity for expected temperature.
- Install new oil if the oil is diluted.
- A worn or dirty oil pump
Clean or replace the oil pump.
- A plugged oil filter
Replace the oil filter.
- A loose or plugged oil pickup screen
Replace the oil pickup screen.
- A hole in the oil pickup tube
Replace the oil pickup tube.
- Excessive bearing clearance
Replace the bearings.
- Cracked, porous, or plugged oil gallery
Repair or replace the engine block.
- Missing or improperly installed gallery plugs
Install or repair the plugs as needed.
- A stuck pressure regulator valve
- Inspect the pressure regulator valve for sticking in the bore.
- Inspect the bore for scoring and burrs.
- A worn or poorly machined camshaft
Replace the camshaft.