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Originally Posted by meuhus
good diagnossis
but don't say that the coils can't cause a miss fire code
a combination or problems can cause one code
or one problem u don't even think could cause the problem
the computer isn't smart
it only knows if some thing is wrong
so if its miss firing it will only know its missing
and not exactly way it is
i didn't have any codes telling me my injectors were bad
i didn't even have a miss fire code
but eventually i got a o2 sensor code
after running it with the super rich mix
one or more of my injectors was stuck open
i din't have any fuel in vac line to regulator
and ohm test found a few bad injectors
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Of course we cant say it's always NOT the coils. Unfortunately these cars have a pretty prehistoric diagnostic system, in which one must use reason and proper judgement to diagnose and fix the problem. In my case, the injectors were trimming properly, and I believe the on-time was intact, only with full WOT fuel pressure which was flooding it out. Only codes I had were "Random Missfires" and "Missfire Cyl #6". For future reference, before the guy goes out and spends ~$200+ in new coils, wires, and plugs and pulling their hair out like I did, the FPR is a fairly easy check.
Thanks again for all the help guys.