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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Throttle stuttering on acceleration
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<blockquote data-quote="Morn" data-source="post: 1241171" data-attributes="member: 24584"><p>I posted this elsewhere, but it sounds like the same issue I'm having. It's not really noticeable in 2H, but in 4A I definitely feel it, and if you put it in Sport mode and switch to 4A, you <em>really</em> feel it. And this is a very quick misfire type of stutter.</p><p></p><p>The sweet spot to always get it to happen is around 40MPH with light to moderate accel. Doesn't happen (or not detectable) when gunning it.</p><p></p><p>I've taken it to the dealer about this. They said they've seen this before and replaced all the plugs to fix it. When checking it after the work was done, they said they detected a little bit of that behavior, but that it's normal to see that in 4A and called it good. At first I thought it was resolved, but the more I drove it (and then discovered how bad it was in Sport+4A), I realized it hadn't really gone away.</p><p></p><p>So, I'm going to take it back to the dealer when I can.</p><p></p><p> Are those plugs/gaps different than OEM? Wondering which ones my dealer used when they swapped them out.</p></blockquote><p></p>
[QUOTE="Morn, post: 1241171, member: 24584"] I posted this elsewhere, but it sounds like the same issue I'm having. It's not really noticeable in 2H, but in 4A I definitely feel it, and if you put it in Sport mode and switch to 4A, you [I]really[/I] feel it. And this is a very quick misfire type of stutter. The sweet spot to always get it to happen is around 40MPH with light to moderate accel. Doesn't happen (or not detectable) when gunning it. I've taken it to the dealer about this. They said they've seen this before and replaced all the plugs to fix it. When checking it after the work was done, they said they detected a little bit of that behavior, but that it's normal to see that in 4A and called it good. At first I thought it was resolved, but the more I drove it (and then discovered how bad it was in Sport+4A), I realized it hadn't really gone away. So, I'm going to take it back to the dealer when I can. Are those plugs/gaps different than OEM? Wondering which ones my dealer used when they swapped them out. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Throttle stuttering on acceleration
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