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Re: LAMBDA IDLE ADAPTATION / P0171
Posted to Technical Discussion Forum on 5/31/2016

Ok, looks like the Idle adaptation is the highest, but I wouldn't expect 5.7% to set a code.

The one fuel adaptation data PID that isn't in your picture is the Lambda Control %, which can be thought of as Short Term fuel trim. If that is staying very high at... Login to read more.