Trouble with Power Pack 2 hesitation - MustangForums.com


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Old 09-03-2017, 08:49 PM   #1
sr1200
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Default Trouble with Power Pack 2 hesitation

I just picked up a new 2017 GT last week and also had the Power Pack 2 installed the same week. Since then I've noticed that when shifting under hard acceleration, the engine stumbles when I go back to full throttle after the shift. This is ONLY on full throttle type acceleration, not casual around town or half-throttle acceleration.

I've checked to see if it's the traction/ESA, wheel hop, or clutch hop, it's definitely the engine stumbling.

Anyone dealing with this like me? What was your solution?

I will call Ford Performance tomorrow and probably go back to the dealer, but I'm not sure how much they'll know. (BTW, if anyone has a really savvy Ford tech in Eastern TN let me know!)

Thoughts?
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Old 09-03-2017, 08:51 PM   #2
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Oh, and hi to everyone, I'm new here, LOL! Thanks in advance for the help!
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Old 09-04-2017, 09:05 AM   #3
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Did you get the latest tune? The first one had some issues IIRC.
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Old 09-04-2017, 09:12 AM   #4
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I don't know. The dealership installed it. They just did it on Wednesday... Are all the tunes available online or just the latest?
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Old 09-05-2017, 09:08 AM   #5
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Not sure but you should know what version you have.
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Old 09-05-2017, 09:17 AM   #6
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I'm planning to reinstall it today. I called Ford Performance and they encouraged me to do it myself now that it's under warranty (since I had it originally installed by a dealer). Too bad it's raining like mad, I can't test it out...
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Old 09-05-2017, 09:19 AM   #7
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(and when I do the reinstall I'll know it's the newest revision)
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Old 09-12-2017, 10:38 PM   #8
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Still having trouble... Anyone have a recommendation on who I could talk to?
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