brandkm Posted May 17, 2014 Share Posted May 17, 2014 2 years ago I got the p0300, p0301, p0302..................So I replace all of the plugs & coil packs and it has ran great until 2 weeks ago, Got a p0302, replaced coil 2 w/ one of my "good" takeoffs from 2 years ago.Today, got codes on all of the other cylinders (but not #2).I bought all OEM coils and plugs 2 years ago when I replaced. Is there something I should be looking for that would cause these failures after only 2 years? I find it hard to believe that all 6 coils would fail on their own after 2 years.Any Ideas? Quote Link to comment Share on other sites More sharing options...
lenore Posted May 18, 2014 Share Posted May 18, 2014 Do you wash your engine compartment? If so the moisture can cause corrosion and failures. Also I cant over emphasize the use of dielectric grease between the coil and plug. This prevents moisture corrosion between the spring contact and plug. Quote Link to comment Share on other sites More sharing options...
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