1998 Chevy Tahoe oil pressure

1998 CHEVROLET TAHOE
156,000 MILES • V8 • 4WD • AUTOMATIC
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KILLER802
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  • 1 POST
just got my oil changed and after it was registering 40 then all of a sudden it went from 40 to 36 to 32 to 30 when your stopped but when you exlarate it goes to 40 is it the sending unit or the oil pump that makes it do that it but would be thank full for any advice i live in vermont it is about 30 degrees right know it is night time 9:33 pm
Mar 5, 2010 at 8:29 PM
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RASMATAZ
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Check the oil pressure with a mechanical gauge if normal replace the oil pressure switch abnormal could mean oil pump or engine bearings
Mar 6, 2010 at 1:16 AM