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1990 GMC C1500
April, 6, 2011 AT 1:28 AM
1990 gmc pu, my check gauges lite came on and my oil pressure is registering past 60. What can cause that.
FOUND 779 RELATED QUESTIONS
Check Gauges Light
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April, 6, 2011 AT 2:23 AM
Past 60psi-could be the oil pressure relief valve not opening-check it with a mechanical gauge
April, 6, 2011 AT 4:50 AM
November, 14, 2011 AT 4:44 PM
Is the oil pressure relief valve the same as the oil pressure switch, oreily only show a switch not valve?
November, 14, 2011 AT 5:08 PM
No, the oil pressure relief valve is in the oil pump-the switch reads the pressure-the oil pressure relief valve controls the oil pressure
November, 15, 2011 AT 2:44 AM
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