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SVT Shelby GT500
Lower RPM hesitation and RPM fluctuation
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<blockquote data-quote="XP900" data-source="post: 16522928" data-attributes="member: 199546"><p>I already have a tuned scheduled so it costs money to back out and I rescheduled twice already. Your bug may be different then mine....mine is more of a idle issue and right now my low end power isn't there but that may be the VMP that I just put on since it is very different than a BAMA tune.</p><p></p><p>My tuner says he will only use his shop widebands regardless of what I have (and I don't have them anyway). He pulls the OS2 sensors out for the dyno tests and installs his WBands in their place. </p><p></p><p>You also didn't mention the plug coils....which I replaced at 30K just to eliminate and possible issues I had last year - and my new coils didn't make any difference so I kept the old ones for future use. Easy to change but several hundred dollars. My tuner said he would be able to tell if I have any coil issues when he is testing it. If I can't figure out my stalling issue his shop can but it will cost me $$ ----- but it may be cheaper than swapping every part in the car. It would be nice if I could get a code but my car rarely puts out any codes when I look for them.</p><p></p><p>If and when I find out what my solution is I will let you know.</p></blockquote><p></p>
[QUOTE="XP900, post: 16522928, member: 199546"] I already have a tuned scheduled so it costs money to back out and I rescheduled twice already. Your bug may be different then mine....mine is more of a idle issue and right now my low end power isn't there but that may be the VMP that I just put on since it is very different than a BAMA tune. My tuner says he will only use his shop widebands regardless of what I have (and I don't have them anyway). He pulls the OS2 sensors out for the dyno tests and installs his WBands in their place. You also didn't mention the plug coils....which I replaced at 30K just to eliminate and possible issues I had last year - and my new coils didn't make any difference so I kept the old ones for future use. Easy to change but several hundred dollars. My tuner said he would be able to tell if I have any coil issues when he is testing it. If I can't figure out my stalling issue his shop can but it will cost me $$ ----- but it may be cheaper than swapping every part in the car. It would be nice if I could get a code but my car rarely puts out any codes when I look for them. If and when I find out what my solution is I will let you know. [/QUOTE]
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SVT Shelby GT500
Lower RPM hesitation and RPM fluctuation
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