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2001 Lexus ES300 Question: engine light Codes



Tonya712, 3.0L V6, Williamstown, NJ, April 15, 2011, 22:21

Thank you!!!!! I went to autozone and I have 3 codes - po446, po171, po174 can you help?

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  • Answer #1

    April 15, 2011, 22:33

    446 is an evap code that could be a lot of things.
    the 171, 174 are lean codes which could range from vacuum leaks to a fuel pump or a mass air flow sensor.

    you need a shop to do a real compete diag to pin point the issue and give you a bid.

    thanks for using repairpal


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