Question about 1991 Ford Festiva
NOT SURE WHY BUT OIL IS GETTING IN MY AIR FILTER. I HAVE CHANGED THE HOUSEING AND AIR FILTER BUT IT BACK IN. ANY IDEAS AS TO WHY THIS IS GOING ON
Your PCV (Positive Crankcase Valve) has failed. The valve is designed to allow gas fumes in the crankcase to be recycled back through the intake and be burned off in combustion. There should be a black hose running into the airbox. It should also have a filter in the airbox. If you follow the hose to the engine itself it will end at the PCV. Replace the valve and the small filter in the airbox and this should resolve your problem as well as boost your fuel mileage.
Posted on May 31, 2010
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Posted on Jan 02, 2017
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