Question about 1991 Oldsmobile Cutlass Supreme
My wife had the same car with the 3.1L motor.they are notorious for the head gaskets. we checked everything on the car. turned out to be a bad piston. do a compression check on the pistons. also chec the oil and antifreeze make sure oil is not frothy. this would indicate a bad head gasket
Posted on Feb 05, 2010
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Posted on Jan 02, 2017
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