I was replacing o2 sensors (oem), spark plugs (oem) and cats (oem) every spark plus was replaced and I swapped the coil packs around to see if it would jump. Even replaced the ground for the plugs. nothing happened. Any ideas on what could have happened. Or how to get to a point to fix. It was driving fine then poof. Misfire hard cylinder 3 only
Jersey
Maybe the factory Gap wasn’t right on that Plug?
I know you don’t want to do it, but you said you swapped the Coils (easier) ... maybe try swapping Plugs to prove it’s the Plug?
How many miles were on the Plugs you removed? I just turned 180,000 on my 2011’s original-factory Plugs, and when I read stories like this one they make me want to just keep going with what I’ve got!
I know you don’t want to do it, but you said you swapped the Coils (easier) ... maybe try swapping Plugs to prove it’s the Plug?
How many miles were on the Plugs you removed? I just turned 180,000 on my 2011’s original-factory Plugs, and when I read stories like this one they make me want to just keep going with what I’ve got!
@Jersey : when you get a chance, go here for instructions on updating your Vehicle Details (to help other Members help you):
Borescope time, heavy chemical treatment, or just pull the Head?-
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