1995 Chevy Corsica

Tiny
98ALLEN
  • MEMBER
  • 1995 CHEVROLET CORSICA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
When I first start the car up it runs fine with no unusual noises but once it warms up the oil pressure light comes on and it knocks. If I hit the gas it goes away and comes right back. If I let it cool down and go start it again its sounds fine and runs fine all over again without the oil pressure light on.
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Wednesday, April 22nd, 2009 AT 1:52 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
If the light comes on, it could just be a sending unit. However, if you hear a knocking from the engine, that means the pressure is too low and will eventually cause internal damage. It could be a bad oil pump or too thin of oil. You can confirm that by renting a mechanical gauge which will plug into the oil sending unit location. You should have at least 10 PSI at idle (minimum)

Let me know what you find.
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Monday, April 27th, 2009 AT 10:45 PM

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