2005 Pontiac Grand Prix oil pressure

2005 PONTIAC GRAND PRIX
74,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
KBTOY
  • MEMBER
  • 1 POST
I have a 2005 pontiac grad prix with a 3.8 a while ago the oil pressure gauge began sticking at 120 lbs then it began to fluctuate now it is at 0 where is the iol pressure switch located
Nov 10, 2008 at 8:56 AM
Advertisement
Avatar
MMPRINCE4000
  • CAR REPAIR CONTRIBUTOR
  • 8,548 POSTS
Switch is under the PS pump.

If you are getting any valve noise have the oil pressure tested with a mechanical gauge.
If not, then I would change the oil pressure switch.

It is also possible the gauge itself is bad.
Nov 10, 2008 at 9:48 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.