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2011-2014 Mustangs
2011-2014 Mustang Talk
Wrench Light Fault . . . .
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<blockquote data-quote="KONA BLUES" data-source="post: 11591407" data-attributes="member: 35348"><p>I agree that Ford did their homework, but to suggest that the "reputable" tuners haven't is a bit crazy. I know they haven't spent millions per say, but they have done their homework. I have owned a Gen 2 Lightning and an '03 Terminator; both of which had their "growing pains" just as the new 5.0 has experienced. </p><p></p><p>There are many Mustangs (though I haven't found a 2011 as of yet), as well as other Ford models (Explorers and F150's) of varying years, which are suffering from this wrench fault. I discovered this during my internet search of this wrench light fault. And many of them are stock, unmolested vehicles. The crazy thing with this wrench fault is it doesn't appear to log a fault with the PCM. There is a YouTube video of a V6 Pony with the wrench light and he states that Ford has told him they can't do anything to help him until they see his vehicle experience this fault. So he made the video in hopes of showing them that he isn't crazy. See video below.</p><p></p><p>[youtube_browser]rAXo7dqZGj0[/youtube_browser]</p><p></p><p>On a side note, there are factory stock vehicles of all makes that have had their PCM's crap out. So if it turns out to be a damaged PCM, I am not faulting the tune or tuner for that matter. If the tune were the culprit, I feel the PCM would have taken a dump the day I reflashed it with Amazon's tune - not 8 months after the tune was flashed. Right now, the CEL is gone and the car runs flawlessly. Even with the CEL light on, the car runs and idles fine. Now when the wrench light is illuminated, you can definitely tell there is something wrong with the car - It hunts and idles rough.</p><p></p><p>**EDIT - Add video**</p></blockquote><p></p>
[QUOTE="KONA BLUES, post: 11591407, member: 35348"] I agree that Ford did their homework, but to suggest that the "reputable" tuners haven't is a bit crazy. I know they haven't spent millions per say, but they have done their homework. I have owned a Gen 2 Lightning and an '03 Terminator; both of which had their "growing pains" just as the new 5.0 has experienced. There are many Mustangs (though I haven't found a 2011 as of yet), as well as other Ford models (Explorers and F150's) of varying years, which are suffering from this wrench fault. I discovered this during my internet search of this wrench light fault. And many of them are stock, unmolested vehicles. The crazy thing with this wrench fault is it doesn't appear to log a fault with the PCM. There is a YouTube video of a V6 Pony with the wrench light and he states that Ford has told him they can't do anything to help him until they see his vehicle experience this fault. So he made the video in hopes of showing them that he isn't crazy. See video below. [youtube_browser]rAXo7dqZGj0[/youtube_browser] On a side note, there are factory stock vehicles of all makes that have had their PCM's crap out. So if it turns out to be a damaged PCM, I am not faulting the tune or tuner for that matter. If the tune were the culprit, I feel the PCM would have taken a dump the day I reflashed it with Amazon's tune - not 8 months after the tune was flashed. Right now, the CEL is gone and the car runs flawlessly. Even with the CEL light on, the car runs and idles fine. Now when the wrench light is illuminated, you can definitely tell there is something wrong with the car - It hunts and idles rough. **EDIT - Add video** [/QUOTE]
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