Skylark L4-144 2.4L DOHC VIN T SFI (1997)
Engine Oil: Symptom Related Diagnostic Procedures
Low or No Oil Pressure
POSSIBLE CAUSES
^
Low oil level. Fill to full mark on oil level indicator.
^
Incorrect or malfunctioning oil pressure switch.
^
Incorrect or malfunctioning oil pressure gauge.
^
Improper oil viscosity for the expected temperature.
^
Oil pump worn or dirty.
^
Malfunctioning oil pump pressure regulator valve.
^
Plugged oil filter.
^
Oil pump screen loose plugged, or damaged.
^
Excessive bearing clearance. Replace as necessary.
^
Cracked, porous or restricted oil galleries. Repair or replace block.
^
Oil gallery plugs missing or incorrectly installed. Install plugs or repair as necessary.
^
Oil diluted by moisture or unburned fuel.
