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International Automotive Technicians Network
2009 Audi A4 P0171
Posted to Technical Discussion Forum on 12/11/2012 13 Replies

Any help would be appreciated. I checked the obvious; i.e. intake hoses from MAF, oil cap & dipstick, etc, and couldn't find any vacuum leaks. Freeze frame showed just above idle with 0 mph, warm engine, low load. Engine runs fine and STFT plus LTFT was under ... Login to read more.

13 Replies Received (View Replies)