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

1991 CHEVROLET S-10
220,000 MILES
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FLYNNCE
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  • 1 POST
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
Nov 13, 2011 at 8:52 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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.
Nov 13, 2011 at 9:08 PM
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