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1999-2004 Saleen Mustang For the SN-95 New Edge platform. Be sure to specify year, model and equipment if asking for help.

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  #1  
Old 3 Weeks Ago
mamorteguy8 mamorteguy8 is offline
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Join Date: Apr 2021
Location: sequim
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Default 2000 281SC stumble

Does anybody know what fuel injector LBS. should be installed?, I think I have 30# installed from the previous owner, and what heat range should the spark plugs be, the reason for my questioning is when I step on it after its warm, it stumbles unless I floor it, then the Supercharger kicks in and overides the problem, which would be fine, if it weren't the fact I'm using up excess gas, it has like a miss when its heated up, if I hold at a a certain RPM, it miss's and if I come to a light, it wants to die and I have to actually keep applying the gas when it drops down to keep it from dieing. Any help would be appreciated, I hook up a DTC code reader and it doesn't show a code to analyze, I'm running out of idea's !! Thanks !
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Old 2 Weeks Ago
DarkStallion DarkStallion is offline
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Join Date: Sep 2005
Location: RSM, CA
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Default stumble

Hard to say without an actual code that comes with a check engine light. With the info you have so far I am thinking vacuum leak. One of the lines is loose or disconnected or pinched or maybe even an air sensor or throttle sensor. I would try and pull a code or even take it to a shop that can put it on the scope and get snap shots of the air/fuel numbers. A good shop should be able to have a few ideas.
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Jake 95 Mustang GT. 5.0 Convertible (Sold)
02-11E Saleen Convertible
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Old 1 Week Ago
DarkStallion DarkStallion is offline
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Default ccrm

Shot in the dark. Have a look at your ccrm. It's located in the passenger fender well. Okay maybe you are already hot on the trail. Let us know what you find.
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02-11E Saleen Convertible
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