have a 93 cougar and i think fuel is getting in the oil, what can i do to fix

Asked by Premacy_1164 Jan 29, 2017 at 08:04 AM about the 1993 Mercury Cougar

Question type: Maintenance & Repair

3 Answers
157,445

Bob answered 7 years ago

Fuel in the oil, it is likely got a defective fuel injector that is leaking into the cylinder. Pull the spark plugs and look for one that looks different than the others. Get this repaired right away as fuel washing the oil off of the cylinder is not good for it's lubrication. If it is a 3.8 V6, those had many issues with head gaskets going bad. I owned a new 1993 and other than the bad head gasket at 70,000 miles it was trouble free. Fixed it myself after it leaked coolant into the number 3 cylinder causing hydrolock and the connecting rod to be bent on start up. I still have the rod and piston out in the garage.

Mark helpful
157,445

Bob answered 7 years ago

Also a bad head gasket will not put fuel into the crank case.

Mark helpful

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