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Re: Codes 0171 and 0174
"Yes and no.
What year make and model and engine?
The codes say lean on both banks".
2000 S10 Blazer 4.3, The code reader I have flashes 0171 and 0174 only. I do not know about both banks. Ah, failed to mention with initial post that I replaced fuel pump and filter 6k ago. Thx
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