Tune issue 03 GT - Mustang Evolution

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Old 04-17-2014, 10:33 PM   #1
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Tune issue 03 GT

Just trying to figure out a tune issue on an 03 GT for someone. It's idling as if it has a small cam in it.. Running rich(can smell fuel in exhaust).. Drives fine from what I can tell. I have no idea what's done to the car lol. It had nitrous on it at one time. Has a k&n CAI. I think a throttle body bbk fuel rails. No cats. I realize this is kinda vague but I'm just trying to save her some money so she doesn't have to buy a new tune. It looks like the first version SCT Livewire. And I have no idea where the tune is from
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Old 04-17-2014, 10:53 PM   #2
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I was told that one reason my 02 GT was running rich was from having the cats cut off, after if idling for a couple of minutes does it sound like it's loading up in the mufflers?
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Old 04-17-2014, 11:04 PM   #3
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I'm not sure. The guy she got the car from told her not to mess w the tune which she didn't tell me till after she asked me to look at it. I returned it to stock then went through and tuned it just through the custom setting not adjusting anything other than what I knew like the rear o2s and the octane etc. Started it up and wouldn't even stay running. I bumped up the injector size to 24lb and it got better. Then bumped it up to 30lb and was even better. Would they have changed out injectors when they did the fuel rails and nitrous? It runs better than it did but still has somewhat of a small lope in it and then occasionally rpms will drop a lil too much.
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Old 04-17-2014, 11:11 PM   #4
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I'm sure you already checked but if you didn't, it wouldn't hurt to check the spark plugs
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Old 04-17-2014, 11:14 PM   #5
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I know the 02's are know for spark issues and oil amounts in the heads. Not to sure about 03's I could be grasping at straws but it's worth a shot
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Old 04-17-2014, 11:27 PM   #6
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Ya she just had new plugs put in.
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Old 04-17-2014, 11:32 PM   #7
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Well guess that's one more possibility eliminated let me talk with brother tomorrow see if he has any input that could possibly help you, if you figure it out before then please post the fix so if myself or anybody I know runs into this issue, wish I could be of more help
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Old 04-17-2014, 11:32 PM   #8
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Will do thanks
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Old 04-24-2014, 05:45 PM   #9
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Question.. If I were to just return this car to stock and order a new programmer from AM for instance, would they be able to email tune the car even though I don't know exactly what mods are done?
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