Wet Spark Plug?
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New User
Joined: Dec 2014
Posts: 2
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Oil
Thanks for the reply. But I also checked another spark plug and it had oil on it. So I'm guessing you're right about the head gasket leak. My oil cap had white milky stuff on it but my dip stick looked fine.
Junior User
Joined: Sep 2010
Posts: 59
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From: Carrollton, TX
I found water in the 1 and 5 cylinders on my wife's Mountaineer with a 4.6 3v. I had to replace both plugs because the corrosion was causing misfires. I wasn't sure if it got there from driving in the rain or if the head or intake gasket were leaking. We drove it for a road trip this weekend and it used some water, so looks like I'll be trying to track down a leak.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Is the coolant reservoir also clean, without any oily residue?
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