Thank you!!!!! I went to autozone and I have 3 codes - po446, po171, po174 can you help?
Lexus Q&AAsk Your Question
2001 Lexus ES300 Question: engine light Codes
Answer #1mastertech6371 April 15, 2011, 19:33Master
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