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2011-2014 Mustangs
Power-Adders
Fail Safe Mode Throttle Body Gremlin
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<blockquote data-quote="Stig_v5.0" data-source="post: 15969567" data-attributes="member: 181092"><p>Hello everyone,</p><p></p><p>I’m trying to get some insight into a problem I’m having recently. Here’s the history</p><p></p><p>2014 GT Manual </p><p>Purchased used with 8,500 miles</p><p>Installed VMP TVS Stage 2 kit myself at 47,000 miles.</p><p></p><p>The car ran and drove and pulled perfectly for about 7,500 miles.</p><p></p><p>Then one day I get a random fail safe mode for throttle voltage circuit correlation while I was idling. From what I understand, this means the car is seeing a different throttle angle than what it’s asking of the TB. This will clear itself after a shut down and restart.</p><p></p><p>Drove the car home and contacted VMP who asked for a log of the situation, unfortunately I can not recreate it. They tell me to check wiring. The car goes a few weeks without any issues then it randomly does it again this time at 60mph with the cruise control on. Again, shutdown and restart clears it.</p><p></p><p>This has repeated itself a handful of times at random intervals and random driving situations. Weeks at a time will pass where there are no issues and then BING fail-safe mode.</p><p></p><p>Last week I decided to replace the throttle body (stock GT500 twin 60mm) honestly just throwing parts at the thing at this point. Today it did it to me again. </p><p></p><p>I cannot for the life of me get this car to recreate the issue. I have manhandled the wiring harness Y-extension and stressed the connectors to hell by hand with the car running and not one hiccup can be forced upon the car.</p><p></p><p>In all my years of trying to diagnose an issue with any of my previous cars, I’ve never been as stumped as I am on this one. Any experience or insight with similar issues would be greatly appreciated.</p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Stig_v5.0, post: 15969567, member: 181092"] Hello everyone, I’m trying to get some insight into a problem I’m having recently. Here’s the history 2014 GT Manual Purchased used with 8,500 miles Installed VMP TVS Stage 2 kit myself at 47,000 miles. The car ran and drove and pulled perfectly for about 7,500 miles. Then one day I get a random fail safe mode for throttle voltage circuit correlation while I was idling. From what I understand, this means the car is seeing a different throttle angle than what it’s asking of the TB. This will clear itself after a shut down and restart. Drove the car home and contacted VMP who asked for a log of the situation, unfortunately I can not recreate it. They tell me to check wiring. The car goes a few weeks without any issues then it randomly does it again this time at 60mph with the cruise control on. Again, shutdown and restart clears it. This has repeated itself a handful of times at random intervals and random driving situations. Weeks at a time will pass where there are no issues and then BING fail-safe mode. Last week I decided to replace the throttle body (stock GT500 twin 60mm) honestly just throwing parts at the thing at this point. Today it did it to me again. I cannot for the life of me get this car to recreate the issue. I have manhandled the wiring harness Y-extension and stressed the connectors to hell by hand with the car running and not one hiccup can be forced upon the car. In all my years of trying to diagnose an issue with any of my previous cars, I’ve never been as stumped as I am on this one. Any experience or insight with similar issues would be greatly appreciated. Thanks [/QUOTE]
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