1987 Chevy Blazer Oil Pressure gauge stuck on 80

1987 CHEVROLET BLAZER
51,910 MILES • 6 CYL • 2WD • AUTOMATIC
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DSGRUBB
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  • 1 POST
Yes my oil pressure gauge reads 80 all the time is this a bad ggauge or is it the oil pump????
Jun 28, 2008 at 2:24 PM
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RASMATAZ
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Could be the oil pump pressure relief valve not opening. Check the oil pressure with a mechanical gauge if normal -replace the oil pressure switch-if not engine bearings/oil pump etc-
Jun 28, 2008 at 3:02 PM