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Re: Code P0420
Posted to Technical Discussion Forum on 9/9/2012 17 Replies

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They do not report the front A/F Sensor properly, as is shown in your capture. EQ RAT11 of .998 would not give you an A/F voltage (O2S11V) of 1.536. I see what you are trying to state, but the EQ RAT... Login to read more.

17 Replies Received (View Replies)