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2005-2009 Saleen Mustang For all S281, S302, H281 and H302 models based on the Ford S-197 Mustang platform, with the exception of the S302 PJ (see below). Be sure to specify year, model and equipment if asking for help.

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  #1  
Old 09-06-2009
easternhotrod easternhotrod is offline
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Join Date: Sep 2009
Location: Cornwal Ontario
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Question Cold engine misfire?

I just bought a 07 SC and was wondering if anyone has had a similar problem. When the car idles it misses or stumbles slightly. When you accelerate it's fine. Runs really bad when its cold. Sounds like a lean condition. Is there a tune out there that can remedy this problem.

Any help would be appreciated

07-454 281SC
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Old 09-08-2009
wpgfordguy wpgfordguy is offline
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mine does it too ( stock and pullied / tuned) be nice to it when it's cold.
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Old 09-11-2009
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wiggywigton wiggywigton is offline
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Same here. Just have to let it warm up a little..
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MMR 1000S 302 Stroker, BBR Stage 2 cams 3.0 pulley 39# injectors, upgraded CAI, 20" Chrome w/275/35ZR's, 14 in Front Brakes, GT500 Heat Exchanger and Walbro Super Car dual fuel pumps, Rear bumper inlays, Shaftmaster 3.5 Alum Driveshaft, AEM Wideband A/F guage, Pypes Long tube headers X-pipe w/o Cats, Extreme chin spoiler, Steeda Tri-Ax short throw shifter, Hood Struts WMS stealth hood pins, Adj upper and lower rear control arms. tuned by Lito.
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Old 09-11-2009
Stanghungry Stanghungry is offline
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I have had the same issue with my s/c 2006. I took it down to PAS to have Kevin check it out and he also said you have to be nice to it when it's cold. He also modified the tune (Cold Table) as the same as when the engine is hot to help out.

That's about all we can do is be nice to her when shes cold........
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Old 09-11-2009
Jeepngli Jeepngli is offline
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Same thing here. Just let it warm up. JDM said aftermarket tuners, such as themselves) make little adjustments that Saleen let out. He always said if you let the 02 sensors warm up, you'll be ok.
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