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  1. #1
    Join Date
    Jan 2020
    Location
    Northwest Arkansas
    Posts
    8

    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
    3,928

    Default

    Your car has a leak detection pump. Itís detected a leak. Youíre going to have to smoke the evap system to determine where itís leaking. VIDA could walk you through the tests. I havenít had to do this (yet) but a common failure is the ďJ hoseĒ 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 thatís common, it doesnít mean thatís 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 (100K, Michelin AS3+, M1 0W40)
    2002 V70-XC (258K, Castrol Edge 0W40)
    2002 V70-T5 (208K, IPD bars, Bilsteins)
    2001 V70-T5 (92K)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  3. #3
    Join Date
    Jan 2020
    Location
    Northwest Arkansas
    Posts
    8

    Default

    Thank you, i'll get that done

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