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    tideman2004's Avatar
    tideman2004 Posts: 3, Reputation: 1
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    #1

    Aug 22, 2009, 12:48 PM
    Check engine light Sienna 2002 - P0440
    I have a 2002 Sienna with a Check engine code of P0440. I have replaced the Gas Cap but the code still persists. I have seen some post about CCV needs to possibly be replaced. Any Ideas on how I make sure this is the right part?
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
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    #2

    Aug 22, 2009, 01:23 PM

    I would bet that CCV is the culprit. Most get broken by pulling on the air filter box because the hose isn't long enough.
    The canister on yours is a nesting ground for spiders and mud dobbers? <sp>? Seen that many times.
    tideman2004's Avatar
    tideman2004 Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Aug 22, 2009, 03:38 PM
    I was looking for the part on-line. Is this the same as a Mass Air Flow sensor?
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
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    #4

    Aug 22, 2009, 07:18 PM

    No, MAF is air induction, and CCV is emissions. Two totally different
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