1993 Pontiac Grand Am low oil pressure

1993 PONTIAC GRAND AM
125,000 MILES • 6 CYL • FWD • AUTOMATIC
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MAVERICK76TRUCKER
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  • 1 POST
hello i just bought this car 3 days ago i got the paper work where they just changed the oil and filter two weeks ago.ok now the problem is when car is first started up and engine is cold it has oil pressure but as the engine warms up oil pressure drops to no oil pressure there is no noise far as chattering or bearing sounds.car runs great sounds great but don't know why no oil pressure according to paper work they out 5w 30 motor oil could it be wrong oil type or oil pump or bearing i need help please.oh it is a v6
Feb 23, 2009 at 9:50 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the oil pressure with a mechanical gauge if normal replace the oil pressure sending unit if abnormal could be the oil pump or engine bearings.
Feb 23, 2009 at 10:09 PM
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