SCT problem with 95 GT - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 5 Old 10-13-2008, 04:30 PM Thread Starter
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SCT problem with 95 GT

My friend had his car tuned with an SCT chip. It s a 95 5.0l AODE , 306 forged with J.E. piston,Vortech SQ-Trim @10psi , GT40 head , Explorer intake , crane 2031, 30lbs , throttle body 75mm and mafi 75mm Pro-m.

The car pull very strong, AFR is good in all range in WOT, the problem occure in idle or on a highway at cruise, in both situation the AFR still at 14.7 average and suddenly goes to 17:1 or higher for a second and it fall to 11:1 or lower and if we are at idle the engine shut down and it hard to restart, and if we are on a highway , after the up and down glitch the engine make a pop in the exhaust , sometime a big pop ,sometime it just jerk and return to 14.7 and run great.

Thanks for your advice


2003 SVT Cobra Whipple 2.3L
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post #2 of 5 Old 10-13-2008, 05:57 PM
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may check your O2 sensors....dont think it's a problem with the SCT...


94 Cobra 327ci T-trim
4R70W UCC 9.5 converter
6.86 @104
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post #3 of 5 Old 10-13-2008, 07:49 PM Thread Starter
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I removed the chip, and the problem is away, not problem at idle or highway.

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post #4 of 5 Old 10-14-2008, 09:59 PM
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chip might be going bad
post #5 of 5 Old 10-15-2008, 12:24 PM Thread Starter
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The chip was initialy in my car , and was removed by the tuner.

i will change the O2 sensors tomorrow.

The tuner talk that is maybe the Pro-M , or the PCM. But when i remove the chip everything is fine.

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