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International Automotive Technicians Network
Re: P0171/P0174 lean
Posted to Technical Discussion Forum on 10/23/2024

In the freeze frame, what are the conditions during the codes being set. Hot, cold, idle cruise, maf volume?

The FF may not tell the whole story but if it is at idle, I look to leaks. If at cruise, I look at the maf and for lint or crap on the sense wires an... Login to read more.