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  1. OishiiJPN

    2017-2022 Toyota Highlander and Sienna MIL "on" w/DTC(s) P042000/43000 - Catalyst Deterioration T-TT-0698-22

    Please see T-TT-0698-22 (link needed) CONDITION: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst material from the bank 1 or bank 2 catalytic converter. Please see table...
    • OishiiJPN
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    • 2017 2018 2019 2020 2021 2022 catalytic converter check engine light on code deterioration highlander hole in p042000 p043000 recall sienna t-tt-0698-22 toyota warranty
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    • Forum: Tech Help
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