Originally posted by SVT_Nate:
hmm.. well.. after replacing the regulator the plugs are comming out clean.. completely clean.. I'm guessing that my reg. was the problem with the carbon fouling.. and I'm also guessing that now the reason for the missfire is the lack of MIL eliminators causing a lean condition being that I have no pre-cats. .. Anyone know if this sounds right? .. It's my only guess.
-Nate
AFAIK the bottom O2's have no effect on the A/F ratio, at worst you would get a "catalyst efficieny code" or something of the sort saying your cat is bad. You have any codes?
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