1996 Chevy S-10 oil pressure

1996 CHEVROLET S-10
148,000 MILES • 4 CYL • 2WD • MANUAL
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CH1996
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oil pressure guage reads o at idle and when engine is revved up it barely moves when i go to 5th gear it drops back down to o oil level is fine and there is no smoke engine runs strong with good power. is it a sensor or oil pump and also if its oil pump how can i get oil pan off without taking engine out there are a few bolts i cant reach
Mar 6, 2009 at 8:16 PM
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BMRFIXIT
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I would start by changing oil pressure switch
cheap enough to try it
or you can remove the switch and hook an oil pressure gauge and check the pressure
Mar 6, 2009 at 8:43 PM