Slight hesitation while car isnt warmed up completely - Mustang Evolution

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Old 06-30-2015, 05:39 PM   #1
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Slight hesitation while car isnt warmed up completely

Well.. My car seems to drive kinda rough, almost like the AC is on full time while the car is warming up. Just gradually shifting.


Its been like that before and after my bama x4 tune. Brought it to the dealer a while ago cause check engine light came on and they updated the pcm and replaced an o2 sensor. The car drove smooth and very good at any temperature. That only last around 200 miles until the CEL light came on and had a bad ignition coil.

Anyone have this same issue?
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Old 07-01-2015, 09:04 AM   #2
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Mine is the same way till i hit about 180 degrees. Anything under that just feels like it jumps but after it passes 180 it runs like a champ.

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Old 07-01-2015, 02:38 PM   #3
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that's normal, you just need to drive it until the car gets warm enough. Sometimes (if you have manual) if you don't give it enough gas when cold, the car will buck.


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Old 07-01-2015, 04:51 PM   #4
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thats a normal Bama thing, no other tune exhibits that, I had it when I was Bama tuned, I do not have it with my Rev Auto tune
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Old 07-01-2015, 04:59 PM   #5
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Quote:
Originally Posted by scott_0 View Post
thats a normal Bama thing, no other tune exhibits that, I had it when I was Bama tuned, I do not have it with my Rev Auto tune
He specifically said before and after Bama tune..
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Old 07-02-2015, 12:01 PM   #6
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He specifically said before and after Bama tune..
my bad, I only ever had the issue on a Bama tune

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Old 07-02-2015, 12:57 PM   #7
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I haven't noticed it at all on my Bama tune. Must be hit and miss
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