2000 GMC Truck oil pressure gauge

Tiny
STEVER1963
  • MEMBER
  • 2000 GMC TRUCK
  • 4 CYL
  • 2WD
  • MANUAL
  • 133,335 MILES
My oil pressure gauge drops then rises after switching gears in first and second but stays at 3/4 in 3rd and 4th
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Saturday, October 3rd, 2009 AT 7:02 AM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Check the oil pressure with a mechanical gauge if normal replace the oil pressure switch abnormal reading could be the oil pump and engine bearings
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Saturday, October 3rd, 2009 AT 10:15 AM

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