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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. 16 Rumble Strip/Shudder/Vibration when accelerating

    2nd Gen F150 Ecoboost
    Hello all! 2016 2.7 EB XL 110k miles. Purchased used and the truck didn't seem to have any issues at all....until I left after buying and hopped on the highway, and now I have the infamous transmission shudder. When accelerating from 30mph -75mph I experience what I would best describe as a...
  3. 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...
  4. New member with lots of questions!

    Introductions
    Excited to be in the EcoBoost group. Live in Utah but bought my truck from Alberta. Guy before me added CAI and catback exhaust which I was pumped about. I have put about 3k miles on since purchase (68000 currently). Noticed when I get in the throttle I get the shudder. Been reading up on it...
  5. 2013 Lariat 150K: shudder at idle and more pronounced in gear

    F150 Ecoboost Problems
    Hello, Had my 2013 only a couple of weeks. I've identified what is probably the beginning of the fault exhaust manifold/gasket issue and will be tacking that when the weather breaks. My only other concern is a pronounced shudder when in the cab and at idle...it's most pronounced in D (gear)...
  6. Looking for good service department in the chicagoland area

    F150 Ecoboost Problems
    Hello, My new to me 2014 SCREW 6.5 EB is experiencing a decent amount of take-off shudder (unloaded). On top of the shudder I believe the slip yoke needs to be greased as I also get a good clunk start to stop. Still under powertrain warranty at 37k miles. Can anyone recommend a dealer/service...
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