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Originally Posted by twenty2
Son of a beotch!!! My engine light is back on, and the codes are still reading Bank 1 & bank 2 po171 and po174 lean.
The guy who replaced the MAF said on his reader, it said my MAF was bad causing the lean, but Im still having the problem!! Do you guys think this guy was taking me for a ride? Or, was he being honest and telling me he was correct on his reader saying it was the MAF sensor? And, now of course... he wants me to bring it back cause it may be the O2 sensors???
help again...
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Not sure what code says "bad maf sensor". Don't bring it back to this guy. Whoever looks at it needs to check your fuel pressure (56-63psi is ok) and also check for intake leaks. Also sometimes the intake tube where it meets the throttle body gets folded under and it can pull in air from there.