Perfect Cold Idle but Wants to Stall Moving

Non-vehicle specific forum for tuning all ford ecu's 1994-2004, including the 1994-1995 Mustang, 93-98 Mark VIII, 99+ F-150, 99-04 Mustang, 03-04 Cobra, 99-03 Harley Davidson and Lightning F-150


Perfect Cold Idle but Wants to Stall Moving

Unread postby Frank N. Stang » Wed Sep 05, 2018 11:37 am

Hello again,
Chasing one of the last few things with tune. Car idles perfectly on cold start up with good AFR until I try to give it gas to go. Give it gas and it goes full lean, as in not registering on the AFR gauge, and wants to stall. Take foot off gas and it's idling perfectly again with good AFR. Only does this when cold. Have altered the enrichment table and all it does is make the car run richer at idle and will still max out lean and want to stall. Began happening when the SC went on. No issue at all when warm. So if not the fuel enrichment what other settings should I look at? I have searched the forums and could not find anything specific to this. Any and all help appreciated.

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Frank N. Stang
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Re: Perfect Cold Idle but Wants to Stall Moving

Unread postby decipha » Wed Sep 05, 2018 1:19 pm

there are none, if it does as you say then your fuel needs to be dialed in
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