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Re: P0171 at idle and off idle
Posted to Technical Discussion Forum on 2/16/2014

2007 Toyota Yaris, Fuel Supply Scan Data Been having some fun playing around with your data. Here's a portion of a graph that was cut out with snapshot edit and shows maf climbing as 02 drops and when throttle is closed 02 goes high. Don't know if means anythi... Login to read more.

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