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2001 Toyota Sequoia Question: po446

 

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Visitor, 4.7L V8, Bradford, NH, April 29, 2011, 15:49

what is a po446 code on a toyota sequoia

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  • Answer #1

    volvo850 from Auto Tech LTD, April 29, 2011, 17:15
     Technician

    Evaporative Emmission control system vent control system malfunction,
    Either the gas cap is leaking, or the tank has a vacuum leak within the emmission system, I would have the system smoke tested by a competant emissions shop.

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