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International Automotive Technicians Network
Re: P0171
Posted to Technical Discussion Forum on 1/6/2019

My book shows it's in the intake air filter tubing on the N54 engine. I know Chilton is kinda crappy, but I optimistically refuse to believe it is THAT wrong. I am pretty sure it is correct! I even find them fir sale at parts stores. I think you missed it. Login to read more.