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Re: 2000 4Runner 3.4L Code: P0171
Posted to Technical Discussion Forum on 10/28/2005

First observation...lean on one bank. Second...freeze frame at idle. Remember, the PCM can take several seconds to capture freeze frame after a code event has occurred. First thing I would do is look at BARO if you have that PID available. Next, I would clear ... Login to read more.