oil pressure drop on 1995 Chevrolet Camaro

oil pressure drops when car is idling after 30 min but small knock in engine

by in Richmond, TX on January 14, 2011
1 answer
ANSWER by on January 21, 2011
Sounds like either the oil pump is worn and not pumping the correct amount of oil or something is plugging up the oil pick up screen. this is most likely due to sludging in the engine. The oil pan needs to be removed for inspection.
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We have replaced the rods and mains, oil pump, fuel pump and oil sending unit. Car idles at 20 and then drops to 0 when driven. There is no rattle or knocking in the engine. The engine sounds good.

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