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  1. 2013 FX4 Shudder/Misfire

    F150 Ecoboost Problems
    My 2013 3.5 ecoboost has had yet another misfire issue while towing my boat. This happened twice previously, Feb 2019 55k miles and garage had to replace plugs and coils, Same thing in Mar 2020, 65k Plugs and coils replaced again. Now I am taking it back in to the shop a 3rd time in less than 2...
  2. Ecoboost shutter possible solution

    F150 Ecoboost Problems
    I have a 2013 3.5 EB 6.5 bed 3.55 gears 122K 34" tires and leveling kit Problem: Periodic rough idle. Sometimes the truck idles very low and sometimes it idles very rough. When accelerating at 30-40 mph uphill or when driving slowly through town the truck shakes and it feels like I'm driving...
  3. Ecoboost misfire, shutter, and loss of powe

    F150 Ecoboost Maintenance
    Have a used 2012 3.5 Ecoboost crew cab with 60,300 miles. Purchased 6 mos. ago with 54,000 miles. Have a 1 year bumper-to-bumper warranty and a 2 year/100,000 year engine warranty. I have experienced the dreaded misfire shutter and loss of power (CAC issue). I am taking the truck next week in...
  4. TSB 14-0017 Who has let ford do it and what is your out come?

    F150 Ecoboost Problems
    3.5L GTDI - INTERMITTENT STUMBLE/MISFIRE ON ACCELERATIONFROM HIGHWAY CRUISE IN HUMID OR DAMP CONDITIONS TSB 14-0017 link to it below https://ford.oemdtc.com/TSB/14-0017.pdf "Reprogram the PCM to the latest calibration level using IDS release...
  5. Poor MPG with new plugs

    F150 Ecoboost Problems
    Hello all, I have a 2013 model f150 ecoboost that I have recently purchased a couple weeks back and had the dreaded miss that is ever so common. I ended up replacing my plugs and boots with Autolite XP5363 (gapped at .030) and Napa brand plug boots because I didn't want to spend the $$ on...
  6. Minor sputtering under WOT....

    F150 Ecoboost Problems
    Ok, so I have read through the pages here and haven't seen anything on what I believe to be the same as my issue. It happened on Monday, we finally have some good weather and I wanted to listen to the turbos spool, so on a couple of accelerations I noticed at about 5,000 rpm that she would...
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