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2001 Lexus RX300

 

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

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rgoryl, 3.0L V6, Muskegon, MI, April 30, 2012, 08:12
 Rookie

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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    Greg's Orange Auto (8390 Answers) , Orange, CA - (714) 361-9355
    globalhelper April 30, 2012, 08:18
     Master

    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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