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2001 Lexus RX300 Question: What is the common cause of P0440 code showing up on the check engine light?



rgoryl, 3.0L V6, Muskegon, MI, April 30, 2012, 11:12

I have been disconnecting the battery cable to turn off the check engine light but within one or two gas fillups it comes back on!

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  • Answer #1

    Greg's Orange Auto (15188 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 30, 2012, 11:18

    disconnecting battery will not clear code, you need a scanner. the po440 is and evap control issue. you ned to seek a diag from a good mech these can be tricky

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