WOT Sputter and Hesitation on Stock 2011 F150@ 60k Kms

This is a discussion on WOT Sputter and Hesitation on Stock 2011 F150@ 60k Kms within the F150 Ecoboost Performance forums, part of the F150 Ecoboost Garage category; I loved my truck when I bought it in Sept 2011, I did much research on the eco-boost and was amazed by the power and ...

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Thread: WOT Sputter and Hesitation on Stock 2011 F150@ 60k Kms

  1. #1
    Rookie Swerve70's Avatar
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    WOT Sputter and Hesitation on Stock 2011 F150@ 60k Kms

    I loved my truck when I bought it in Sept 2011, I did much research on the eco-boost and was amazed by the power and torque of this truck stock. I have a 10,000 lb hoist in my shop and perform all the maintenance myself on my truck. I only run Synthetic Oil and change it regularly. Also installed a K&N Filter over stock and also change it regularly. I started to experience hesitation and shutter during WOT passing vehicles on the hwy at about 50k Kms. I brought the truck in to FORD dealer and they upgraded my intercooler and re-programmed the ECU. Didn't solve the problem. I knew this was intermittent problem and Ford couldn't give 2 ****s about this problem.

    I lived with the sputter and hesitation until tonite. Truck was due for its next oil & filter change and I decided to change the spark plugs as well. Mileage is at 99K Kms and upon measuring the plugs I removed, the gap was out by 10 thousands compared to the new ones. Installed the new plugs which measured .027 gap and were pre-gapped, after test driving, sputter and hesitation was completely gone.

    I hope this helps. If you experience the same thing I did, try changing your spark plugs. Ford recommends plugs at 160K. If you have sputter, change the plugs.

    Cheers and happy Eco-Boosting Lads
    nate2013eb likes this.

  2. #2
    Eco-Beast scap99's Avatar
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    Great news!!!

    I, truly, believe that the plugs should be checked before any software updates or intercooler changes...it just seems like the guys getting the TSB's are all *****ing that the power is gone.
    '13 FX4 3.55 LET Tuned
    451hp/532tq

  3. #3
    Ecoboost Master winchested's Avatar
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    What plugs did ya put in?

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    Ecoboost Regular aharmon5050's Avatar
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    is this intercooler up date a recall from ford? is there a service bulletin on it?? my eco is at 24k miles and im getting the sputter when there is alot of moisture in the air. my dealer said there isnt any updates or issues.??
    2012 f150 ecoboost SUPERCREW
    20% tint all way around
    k&n drop in
    bed liner
    black tool box
    18/9 xd 809 machine wheels -12 off set
    33/12.50/18 toyo open country mt
    2 inch day star leveling kit
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    OTHER TOYS

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  5. #5
    Rookie villipoto507's Avatar
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    Hey guys im new here, i have a 2012 eco-screw and love it, but it idles rough ... Pisses me iff, its been. Idling between 990-1000 rpms lately it used to idle at around 5 or 6... Please help... I replaced plugs twice all crafully gapped to .030, i always run 93 octane, livernois 91 octane tune, aem drop in airfilter, i have a nice oil separator on my pcv valve, so ya... Why is it idling soo rough?!?!

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