instrument panel

GMC
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
Hi

I have a 2000 pontiac bonneville. 51 K

My oil psi guage has been all the way over to the right the highest it can go. and I know its not stuck because when I turn off the car it goes down, but when the car is running or im driving it doesnt fluxcate, it doesnt move period. its at the highest it can go. I keep up with all regular oil changes ect and I have checked over and over the oil temp and level and its perfect. what do you think is wrong? its been like this for 6 months and I have done 3 or more oil changes and still no change. Do you think its the wiring or the guage itself? when I turn the car off the guage goes back down and when I turn the car on, it goes all the way up again.

Can someone help me please!

thanks,
Lee
May 17, 2006 at 5:20 AM
Advertisement
Avatar
LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
The gauge all the way over indicates a short in your oil presure sending unit. Replace it and it should be fine. Let me know.
May 17, 2006 at 5:25 AM
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
THANKS!

How hard is it to replace my oil pessure sending unit? and where is it located?
May 17, 2006 at 5:27 AM
Avatar
LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
What kind of engine??
May 17, 2006 at 6:06 AM
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
Um I belive its the 3800 series. does that give you enough info?
May 17, 2006 at 6:16 AM
Avatar
LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
It is under the engne close to the oil filter. Go buy one and you will see what it looks like. It takes a special tool to remove it so be very careful you don't break it off during removal and installation.. Big problems
May 17, 2006 at 6:19 AM
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
[b:7c276bd599]Do you recomond I take it to a shop for this?[/b:7c276bd599]

And im sure I can rent the tool from auto zone when I buy the part?
May 17, 2006 at 6:21 AM
Avatar
LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Yes, take it too a shop if you have never done one
May 17, 2006 at 6:30 AM
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
Ok, how easy is it, my girlfriends dad is a mechainc. could he help me?


So you reccmond taking it to a shop
May 17, 2006 at 6:32 AM
Avatar
LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
The 1st thing you do is run away from the Zone. The Parts will only cause you grief. Like I said if you have done it before then change it if not a shop is the best option, at least they won't by parts from the zone. Good luck
May 17, 2006 at 8:10 AM
Avatar
LSUSSEL
  • ✓Experienced Mechanic
  • 252 POSTS
Thank you. I have found and corrected the problem. it was the sending unit. funny thing is, when I went to pick up the part I was lookin for a big box type thing and this sending unit was no larger then my finger!

THANKS AGAIN SO MUCH FOR YOUR HELP!
May 22, 2006 at 4:44 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.