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Re: 2000 Tacoma 2.4L P0420 - B1S1/B1S2 data reversed?
Posted to Technical Discussion Forum on 12/16/2002

Hi Danny,

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I guess I'll crawl back under my rock. A/F sensor on B1S1 and 4-wire O2 sensor on B1S2. That would explain the difference in scan data too. I would have thought it should have two of the s... Login to read more.