Originally posted by projectSHO89:
....NEVER accept a diagnosis from a person at AUtoZone.....
Steve
Steve, while I usually agree with that statement, in this case, they may might be on to something. The TSB does state that P0171 and P0174 could be due to MAF contamination. I would not rule that out yet. Yes, while P0171 and P0174 codes (when together) are usually indicative of a massive vacuum leak (broken hose, etc.), it is possible for it to be a MAF issue.
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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