2004 GMC Sierra High Oil Pressure

2004 GMC SIERRA
99,000 MILES • V8 • 2WD • AUTOMATIC
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TREBOR111
  • MEMBER
  • 1 POST
Does any body know why my 2004 Seirra oil pressure gauge goes really high sometimes I drive it. It goes as high as off the numbers on the gauge. Do I need a new oil pressure sensor . Thanks
Mar 14, 2009 at 9:14 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Any type of weird noises coming from inside the engine

Could be the oil pressure switch-Check the oil pressure with a mechanical gauge and if normal replace the oil pressure switch abnormal the oil pump pressure relief valve might not be opening or an engine bearings problem.
Mar 14, 2009 at 10:20 AM
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ED_12ROD
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  • 12 POSTS
Do you give the truck high revs the gauge move with the revs when accelerating.
Aug 7, 2009 at 3:13 AM
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