Rough idle and Stalls

Discussion in '2015 - 2020 Ford F150 Truck Forum' started by jbarrera281, Mar 25, 2018.

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  1. jbarrera281

    2015 5.0 4x4 Platinum. When at a stop light it idles rough and stalls. I changed the throttle body and re calibration and drove great for 300 miles and now back to the same thing.
     
    jbarrera281, Mar 25, 2018
    #1
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  2. JWC 3 TOTM Winner Founding Member

    Any codes?
     
    JWC 3, Mar 25, 2018
    #2

  3. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Is it a performance throttle body, and calibration? If so, it's not throwing a code which indicates a hardware problem then I'd talk to whoever wrote the calibration. But without knowing any codes the PCM might be throwing we can only guess. Run by an Auto Zone or other auto part store, most will pull diagnostic codes for free.
     
    FTZ HAIC, Mar 26, 2018
    #3
    Paul Masley likes this.

  4. jbarrera281

    No codes. I took it to the dealer and they re flashed the pcm and gave it a fresh tune. Works great now.
     
    jbarrera281, Mar 27, 2018
    #4
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