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Re: DTC P0420
Posted to Technical Tips Forum on 11/3/2006 1 Reply

Hi Edwin

Would the Mode 5 data show the bad sensor? Just asking-I've seen "lazy" AFS cause other DTC like P0171 but no AFS DTC (P1130, 1133) while the Mode 6 data for the sensor (locus ratio monitor) fell within the fail limit...actually I look at the enhanc... Login to read more.

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