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Instrument panel

Tiny
LSUSSEL
  • MECHANIC
  • GMC
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
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Wednesday, May 17th, 2006 AT 12:20 PM

10 Replies

Tiny
LOSONE
  • 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.
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Wednesday, May 17th, 2006 AT 12:25 PM
Tiny
LSUSSEL
  • MECHANIC
  • 252 POSTS
THANKS!

How hard is it to replace my oil pessure sending unit? And where is it located?
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Wednesday, May 17th, 2006 AT 12:27 PM
Tiny
LOSONE
  • MECHANIC
  • 1,616 POSTS
What kind of engine?
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Wednesday, May 17th, 2006 AT 1:06 PM
Tiny
LSUSSEL
  • MECHANIC
  • 252 POSTS
Um I belive its the 3800 series. Does that give you enough info?
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Wednesday, May 17th, 2006 AT 1:16 PM
Tiny
LOSONE
  • 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
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Wednesday, May 17th, 2006 AT 1:19 PM
Tiny
LSUSSEL
  • MECHANIC
  • 252 POSTS
Do you recomond I take it to a shop for this?

And im sure I can rent the tool from auto zone when I buy the part?
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Wednesday, May 17th, 2006 AT 1:21 PM
Tiny
LOSONE
  • MECHANIC
  • 1,616 POSTS
Yes, take it too a shop if you have never done one
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Wednesday, May 17th, 2006 AT 1:30 PM
Tiny
LSUSSEL
  • 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
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Wednesday, May 17th, 2006 AT 1:32 PM
Tiny
LOSONE
  • 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
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Wednesday, May 17th, 2006 AT 3:10 PM
Tiny
LSUSSEL
  • 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!
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Monday, May 22nd, 2006 AT 11:44 AM

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