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  1. 12-02-2019, 05:32 PM #1
    volkey
    volkey is online now LX Newbie
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    Jun 2019
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    Gascap notification, P0455 & P0456 keep happening. Related?

    So on my 2008, I keep getting the Check Gascap notification.

    I also intermittently get P0455 (EVAP SYSTEM LARGE LEAK) and P0456 (EVAP SYSTEM SMALL LEAK) which I can reset with my Diablosport Intune.

    It's been driving me insane but I'm not sure where to start trying to find what's causing the issue.

    I'm wondering if these are related issues, and if maybe my car hasn't had the gas tank recall/fix and that might be the cause. Anybody else have suggestions on what to look at?
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  2. 12-02-2019, 05:41 PM #2
    StrokedRT's Avatar
    StrokedRT
    StrokedRT is offline LX Padiwan
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    When mine did that, I ended up replacing the evap canister in the rear wheel well. Solved it. No more codes.

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    2007 R/T, long tubes, off road mids, borla atak exhaust. Inertia cnc big valve heads, inertia raging trojan cam, D1SC procharger 6.1 srt aluminum intake, mopar performance tcm, Trufiber Carbon Fiber SRT8 hood.
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  3. 12-03-2019, 02:52 PM #3
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    Root66
    Root66 is offline LX Padiwan
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    Me too, had to replace the ESIM.

    A Closer Look: Evaporative System Integrity Module (ESIM) - YouTube
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