the check engine light flashes like 40 times and then goes off lincoln navigator?
it is a 1998 lincoln navigator just recently started to miss I that it was the spark plugs because I havent replace it since new (190000) later I change the spark plugs any ways it did't make a difference so I check all the coils ,..nathing now i don't know what to do, may be the wire harness ??? please help!!
I replaced the o2 sensors about 4 month ago.
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