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2013-14 Shelby GT500
Throttle unresponsive revisited
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<blockquote data-quote="dubbsfaris" data-source="post: 13908330" data-attributes="member: 96942"><p>Well, it did it to me again today. I was leaving my brother's house, and killed it trying to back up on the street. Started it back up and it did it again. At this point I was worried because I haven't stalled my car in a really long time. I decided to coast down the street and flip a u turn at the col-de-sac. By the time I got to the bottom, I realized what was going on, and just held my accelerator to the floor. After another 10 seconds or so, my throttle returned, but slowly, as if I was doing normal take off. I was going to my next stop, park the car, get back in and start it, and go to drive. Same damn thing. Turned off the car here, back on, same thing. So I considered the previous experience, and mashed the go pedal. I sat there maybe 30 seconds, then all of a sudden, throttle came back to life and I came on home. I wanted to write about this while it was still very fresh in my mind. Here are my conclusions-</p><p></p><p>Restarting the car 3 times had no effect. It needed to idle about 45 seconds for it to engage the throttle. Pumping the gas, leaving accelerator engaged, none of that really mattered. It was definitely a computer lag issue. Perhaps a bug in their PCM programming. If it continues like this on my car, I will leave it as is and do some data logging to chase this issue down. Need to get with my friendly local shop and Dr. Lund to see if they can figure this out. But my point is to let people know my "out on the street" solution is to let it idle and warm up before you take off.</p></blockquote><p></p>
[QUOTE="dubbsfaris, post: 13908330, member: 96942"] Well, it did it to me again today. I was leaving my brother's house, and killed it trying to back up on the street. Started it back up and it did it again. At this point I was worried because I haven't stalled my car in a really long time. I decided to coast down the street and flip a u turn at the col-de-sac. By the time I got to the bottom, I realized what was going on, and just held my accelerator to the floor. After another 10 seconds or so, my throttle returned, but slowly, as if I was doing normal take off. I was going to my next stop, park the car, get back in and start it, and go to drive. Same damn thing. Turned off the car here, back on, same thing. So I considered the previous experience, and mashed the go pedal. I sat there maybe 30 seconds, then all of a sudden, throttle came back to life and I came on home. I wanted to write about this while it was still very fresh in my mind. Here are my conclusions- Restarting the car 3 times had no effect. It needed to idle about 45 seconds for it to engage the throttle. Pumping the gas, leaving accelerator engaged, none of that really mattered. It was definitely a computer lag issue. Perhaps a bug in their PCM programming. If it continues like this on my car, I will leave it as is and do some data logging to chase this issue down. Need to get with my friendly local shop and Dr. Lund to see if they can figure this out. But my point is to let people know my "out on the street" solution is to let it idle and warm up before you take off. [/QUOTE]
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2013-14 Shelby GT500
Throttle unresponsive revisited
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