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What can cause rich fuel mixture for a 94 Chevy blazer 4.3L v6?
Wiki User
∙ 13y ago
quite a few things can cause it but is most likely a oxygen sensor that has quit and is stuck on rich check your air cleaner and change it if you have not done so for a while. plugs could be bad but i would get the o2 sensors checked they are most likely the culprit
Wiki User
∙ 13y ago
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