Question about 1998 Ford Windstar

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Oil in air filter

I have always kept up with the regular maintenance on my vehicles. I found that the rpm's were dropping slightly( 800 dropping to 600) when idling. When the engine light came on, I checked and then changed the plugs and wires. The van ran better after this quick and simple fix and the engine light went out. One month later, the engine is back to doing the same thing again. While checking the fluids, I checked to see if the air filter needed to be replaced, and found oil on the air filter. I have never seen this before, and would like to know what may be the cause(and hopefully a cheap fix).
Thanks for the info,
Antiquediver

Posted by on

1 Answer

If the engine has a PCV valve it may be at fault causing the problem of oil in the air filter. It could also be the cause of the RPM drop.
Good Luck!

Posted on May 26, 2008

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