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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Crank relearn not working !!!
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<blockquote data-quote="yeller1" data-source="post: 14905882" data-attributes="member: 45231"><p>Recently had a Boss302 clutch installed in my 11GT. No problems. Started getting misfire codes.</p><p>Downloaded the upgrades to my Livewire TS. Did a crank relearn with no problems. Somewhere</p><p>the misfire monitors were turned off which I found out when I tried to do some datalogging.</p><p>Had my tuner send me a new file to get them turned back on. Uploaded new file to Livewire. Loaded new tune in car. tried doing a crank relearn but when i got to the rev limit the device asked for it just took off and rpm's climed to redline. I had to turn off the car since I had no control of the fuel. It did this a number of times. Each time I was prompted to rev to a new value and same results. Runaway throttle. My tuner said to go back to the prev tune. I did that and tried relearn again. Same results. BTW, I was trying to clear the code each time but it never went away. So, I went back to stock tune, then reloaded prev working tune, tried relearn, same results. Any ideas whats going on. I've read where you can still drive the car and the code will go away after about 15 miles or so. I've done clear DTC's a number of times but it never seems to clear. Is the relearn failure because it thinks the P0315 code never clears according to the handheld. The handheld says to make sure all DTC's are cleared before proceeding.</p></blockquote><p></p>
[QUOTE="yeller1, post: 14905882, member: 45231"] Recently had a Boss302 clutch installed in my 11GT. No problems. Started getting misfire codes. Downloaded the upgrades to my Livewire TS. Did a crank relearn with no problems. Somewhere the misfire monitors were turned off which I found out when I tried to do some datalogging. Had my tuner send me a new file to get them turned back on. Uploaded new file to Livewire. Loaded new tune in car. tried doing a crank relearn but when i got to the rev limit the device asked for it just took off and rpm's climed to redline. I had to turn off the car since I had no control of the fuel. It did this a number of times. Each time I was prompted to rev to a new value and same results. Runaway throttle. My tuner said to go back to the prev tune. I did that and tried relearn again. Same results. BTW, I was trying to clear the code each time but it never went away. So, I went back to stock tune, then reloaded prev working tune, tried relearn, same results. Any ideas whats going on. I've read where you can still drive the car and the code will go away after about 15 miles or so. I've done clear DTC's a number of times but it never seems to clear. Is the relearn failure because it thinks the P0315 code never clears according to the handheld. The handheld says to make sure all DTC's are cleared before proceeding. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Crank relearn not working !!!
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