What would cause oil to be completely soaked in oil up past the plug wire


Asked by Jun 16, 2015 at 02:52 AM about the 1997 Ford F-150 XL 4WD Extended Cab LB

Question type: Maintenance & Repair

My 1997 ford f150 4+4 started misfireing and said it was the number 5 plug so i pulled it
and the socket was driping oil with oil when i pulled it out

3 Answers


Sounds like the rings on the number 5 piston are no good, letting oil past them.

2 out of 2 people think this is helpful.
Bob Beaman

It's time to replace the valve (cam) cover gaskets. They are leaking into the spark plug well.

2 out of 2 people think this is helpful.

Did you spill some oil down the side of the valve cover and onto the #5 spark plug wire causing a short? Replace the plug and wire, check the valve cover gasket ect. Make the unknown, known. Before spending a ton of money check the simple stuff.

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