1999 Buick Lesabre Oil Pressure drops in idle

1999 BUICK LESABRE
133,000 MILES • 4 CYL • FWD • AUTOMATIC
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JCPGA63
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  • 1 POST
The oil pressure is great when first starting and driving but after a few miles the oil pressure starts to drop and occasionally I will hear an knock in the engine in idle, it goes away when you acclerate. Just started but nervous to drive it!?!
Jan 4, 2010 at 8:39 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Possible causes worn oil pump gears, main bearings worn, cam bearings worn. need to have pressure checked
Jan 6, 2010 at 10:15 AM
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