What would cause my oil pressure to go as high as it can on the gauge?

Tiny
FLYNNCE
  • MEMBER
  • 1991 CHEVROLET S-10
  • 220,000 MILES
My oil pressure gauge is maxed out, I dont know if it is supposed to be there or if there is something I can do to fix it
Sunday, November 13th, 2011 AT 8:52 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,517 POSTS
First, it could be a bad sending unit. However, you need to check it to be sure. Rent a mechanical gauge from a parts store and check it. Let me know how high it is. There is a regulator built into the pump and although it is rare, they can go bad.
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Sunday, November 13th, 2011 AT 9:08 PM

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