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  1. #1
    Join Date
    Jan 2020
    Location
    Northwest Arkansas
    Posts
    14

    Default P2407 Evap code on '07 XC70

    This morning after going to the store, I started my car to be greeted with a CEL. Code is P2407- "Evaporative emission system leak detection pump sense circuit, intermittent/erratic"
    My gas tank was at 1/2 a tank, and i'm certain the gas cap was turned to (several) clicks last time I fueled up. Mileage is 149000 miles.

    Anyone have any experience diagnosing this code?

    (EDIT) Its an '06, not '07
    Last edited by dontfeedthevolvo; 10-02-2020 at 08:08 PM.

  2. #2
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    4,116

    Default

    Your car has a leak detection pump. It’s detected a leak. You’re going to have to smoke the evap system to determine where it’s leaking. VIDA could walk you through the tests. I haven’t had to do this (yet) but a common failure is the “J hose” under the back seat, that runs over the gas tank. Not easy to get to, some Googling will show you what I mean. Still, while that’s common, it doesn’t mean that’s what is wrong with yours, so do the smoke check and troubleshoot it completely before firing up the parts cannon...
    Current Fleet:
    2016 Tundra Crewmax 4WD 1794
    2005 MB S600 (126K, Michelin AS4, HPL 0W40)
    2005 MB SL600 (55K Michelin AS4, Mobil 1 0W40)
    2004 V70R (143K, six speed M66, HPL 5W40)
    2004 XC90 (235K, HPL 0W30 Euro)
    2002 V70-XC (295K, HPL 0W30 Euro)
    2002 V70-T5 (225K, IPD bars, Bilsteins)
    2001 V70-T5 (125K, IPD downpipe, cat back and other mods)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  3. #3
    Join Date
    Jan 2020
    Location
    Northwest Arkansas
    Posts
    14

    Default

    Thank you, i'll get that done

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