2013 F150 Ecoboost surging

2013 F150 Ecoboost surging

This is a discussion on 2013 F150 Ecoboost surging within the F150 Ecoboost Problems forums, part of the F150 Ecoboost Forum category; Hi, 2013 Ecoboost is surging, during idle it’s shaking the truck slightly, but when I’m driving down the road it feels like it’s surging, rpm ...

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  1. #1
    Gold Supporting Member Vrooom's Avatar
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    2013 F150 Ecoboost surging

    Hi,
    2013 Ecoboost is surging, during idle it’s shaking the truck slightly, but when I’m driving down the road it feels like it’s surging, rpm gage is surging around 300rpm difference. When it’s on the higher PRM of the surge there’s this faint vibration that seems to be coming from the bottom somewhere, vibration at 70mph is around 2 Second intervals.
    I cleaned the MAP sensors and drilled the Intercooler, replaced the tires, shocks and struts but it’s still doing the same thing. Steering is nice and straight.. kind of wonder if it could be the driveline or torque converter.
    Anybody had something similar? What was the problem? Thanks,
    Last edited by Vrooom; 04-21-2019 at 08:32 PM.

  2. #2
    Ecoboost Veteran Mikedick77's Avatar

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    No brake pads dragging or anything like that? Process of elimination is going to be king here. Sounds like you have a good start on eliminating some of the usual suspects.
    2013 Eco XTR 4x4 Super Crew 5.5 bed 3:31 Rear
    Stock, Weep hole, 160 degree T-Stat, Autolite Iridium XP5863 gapped properly, Castrol Magnatec 5w-30, and 93 octane
    NO OIL LEAKS!!

    Purrs like a kitten! It's called maintenence. This shouldn't surprise people.

  3. #3
    Gold Supporting Member Vrooom's Avatar
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    Don’t think it’s the brakes, but i guess it’s possible.
    But why would it only vibrate when it’s on the upper side of the RPM?

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    Eco-Beast noodles's Avatar

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    Quote Originally Posted by Vrooom View Post
    Hi,
    2013 Ecoboost is surging, during idle it’s shaking the truck slightly, but when I’m driving down the road it feels like it’s surging, rpm gage is surging around 300rpm difference. When it’s on the higher PRM of the surge there’s this faint vibration that seems to be coming from the bottom somewhere, vibration at 70mph is around 2 Second intervals.
    I cleaned the MAP sensors and drilled the Intercooler, replaced the tires, shocks and struts but it’s still doing the same thing. Steering is nice and straight.. kind of wonder if it could be the driveline or torque converter.
    Anybody had something similar? What was the problem? Thanks,
    The suspension, tires or brakes are not going to be making it idle different.
    Have you replaced the spark plugs?
    Mikedick77 likes this.
    13 SuperCrew Ruby Red 302A, 4x4 6.5 box, 3.31, Roush 22's. Twin catch cans, "leveled" with Bilsteins (-2 front, -3 rear), AirLift, SCT. Other's may have displacement on demand... I have an endless supply of torque at my right foot's demand.


  6. #5
    Rookie 14 King's Avatar

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    Maybe try cleaning the MAF sensors? I have a rough idle. New plugs did not help. MAF are next on my to do list.

  7. #6
    Ecoboost Veteran Mikedick77's Avatar

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    I don't see that you've replaced spark plugs, as Noodles had said. You have a weep hole and already cleaned MAP sensors (There are 3). If you havent swapped plugs in the last 30K or so, I would try that. Also inspect your old plugs for any kind of cracks, as this is definitely an issue that's been seen. Might also pull battery cables, turn on the headlights to drain the power out for 5-10 mins, so your computer resets.

    It doesn't seem like drive line or anything like that, and I would be solely targeting that idle and see if that clears up your other issues you're having at speed.
    2013 Eco XTR 4x4 Super Crew 5.5 bed 3:31 Rear
    Stock, Weep hole, 160 degree T-Stat, Autolite Iridium XP5863 gapped properly, Castrol Magnatec 5w-30, and 93 octane
    NO OIL LEAKS!!

    Purrs like a kitten! It's called maintenence. This shouldn't surprise people.

  8. #7
    Super Moderator milesej05's Avatar
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    Quote Originally Posted by 14 King View Post
    Maybe try cleaning the MAF sensors? I have a rough idle. New plugs did not help. MAF are next on my to do list.

    FYI, your 2014 doesn't have a MAF sensor. Only the 2011-2012 trucks had one. The 2013-2014 had 3 MAP sensors
    Mikedick77 likes this.
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    Sometimes, a fool should trust what the wise say, instead of coming out yelling Totally Not True... because you couldn't find it on google. The wise usually know what they are talking about, because of either hands on experience, or maybe they've just been around long enough to know what's what.



    Check out the following threads for most of the questions regarding the F150 Ecoboost:
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    https://www.f150ecoboost.net/forum/6...ts-2015-a.html


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  9. #8
    Rookie CombatDork's Avatar

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    Definately check your spark plugs. Don't trust the pregapping.

    Ford has changed the recommended gapping for the EcoBoost several times.

    Gapping as small as .026 has been recommended however for your truck I would stick with .028. Most of the pregapped spark plugs will be gapped to .032 and you should close up the gap.

    Also, I would recommend finding full iridium spark plugs instead of just iridium tipped plugs because the EB GDI tends to burn up normal spark plugs.

  10. #9
    Gold Supporting Member Vrooom's Avatar
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    Ok, got the spark plugs replaced, truck is still surging, it’s better at idle but on cruise it’s surging about the width of the dial indicator. I’m assuming it’s either the boost or the torque converter. Wondering what it could be.
    Replaced the plugs and boots today.

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    Super Moderator Purefection's Avatar
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    That sounds like torque converter

    Sent from my CLT-L04 using Tapatalk

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