1992 Oldsmobile Cutlass oil pressure

Tiny
SUELEE46
  • MEMBER
  • 1992 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
When I start my car in the morning, the oil pressure is fine. After I drive for about an hour, the pressure drops to below half on the gauge. Lately the pressure is dropping to zero when I come to a complete stop. Do I need a new oil pump?
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Sunday, January 13th, 2008 AT 10:12 AM

1 Reply

Tiny
MERLIN2021
  • EXPERT
Could be worn engine parts, too much clearance between bearing inserts and crank. Try using a heavier oil blend, say 20-50 or straight 30 non detergent.
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Sunday, January 13th, 2008 AT 10:24 AM

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