Getting rear ended

Discussion in '2009 - 2014 Ford F150 Truck Forum' started by Likemypickup, Sep 24, 2018.

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  1. Likemypickup

    I've been to the dealer 4 times over this issue but without a code they are no help. Maybe someone else has the same problem with their 2011 F150 ecoboost. It only happens sporadically (maybe once a week to two weeks) as I approach a stop sign or traffic light and slowly roll thru it without stopping the second I give the truck gas it slams into gear and feels like I just got rear ended. Fuel problem, transmission problem.? I'm open to any ideas.

    Thanks
     
    Likemypickup, Sep 24, 2018
    #1
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  2. FTZ HAIC Staff Member Oregon Chapter Founding Member

    That's the 2nd gear slam and unfortunately, it's pretty common with the adaptive transmission tuning on the Ecoboost. If you disconnect the battery for about 30 minutes to reset the PCM's learning it will be much closer to what it was before it adapted. Drive it a bit more aggressively and the slamming isn't as prone to happen as it adapts again. Good custom tuning can resolve it as well.
     
    FTZ HAIC, Sep 25, 2018
    #2
    Campspringsjohn likes this.

  3. Likemypickup

    Thanks Ken, I'll give it a try
     
    Likemypickup, Sep 25, 2018
    #3
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