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-   -   Making or buying splash / water Cover for COP coil plug area 04-08 f150 4.6 ( misfire (https://www.f150online.com/forums/2004-2008-f-150/520543-making-buying-splash-water-cover-cop-coil-plug-area-04-08-f150-4-6-misfire.html)

normal 03-24-2019 05:16 PM

Making or buying splash / water Cover for COP coil plug area 04-08 f150 4.6 ( misfire
 
Hi. Have an 08 4.6 that I have battled misfiring on cylinders 7 and 8. Lots of great threads on diagnosing and addressing misfiring. My question is: looking for ideas, feedback, or concerns on potentially making (or buying, but I didn't t find anything) a simple 'cover' that would help deflect water or debris from entering COP / sparkplug well area.

Im thinking of using some scrap epdm rubber roofing material as crude little deflection 'cover'. Anyone here done something like this?

glc 03-24-2019 06:24 PM

Have you tried using dielectric grease at the top of the boots?

normal 03-24-2019 07:33 PM


Originally Posted by glc (Post 5248537)
Have you tried using dielectric grease at the top of the boots?

yes

T L 05-03-2019 05:15 PM

Wd-40
 
Remove COP'S and spray WD-40 down spark plug well, coat boot and coil and allow an hour to dry. COP'S should be water resistant for a few months at least.


Originally Posted by normal (Post 5248532)


Originally Posted by normal (Post 5248532)
Hi. Have an 08 4.6 that I have battled misfiring on cylinders 7 and 8. Lots of great threads on diagnosing and addressing misfiring. My question is: looking for ideas, feedback, or concerns on potentially making (or buying, but I didn't t find anything) a simple 'cover' that would help deflect water or debris from entering COP / sparkplug well area.

Im thinking of using some scrap epdm rubber roofing material as crude little deflection 'cover'. Anyone here done something like this?



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