Tgonsoulin Posted August 1, 2013 Report Share Posted August 1, 2013 Has anyone ever had a high idle problem when shifting gears. It's kind of intermittent and it seems like it happens more in the heat of the day after I have been in traffic a while. 2007 SGT approx. 58000 miles all stock. Link to comment Share on other sites More sharing options...
2007tungstenGT500 Posted August 1, 2013 Report Share Posted August 1, 2013 yes. i have experienced that on my 2006 mustang GT and determined it was related to an aftermarket tuner. recently saw this happen on my 2007 GT500, but since it's running a Ford Racing tune, i think it may be related to my alternator going bad. i was having starting issues so i recently bought a new battery. still had the issues so in testing i noticed that my alternator is undercharging. haven't replaced it yet, but my theory is that the computer is compensating for the lower voltage by over-revving slightly. i am no mechanic or electrician so this is purely a guess. Link to comment Share on other sites More sharing options...
pottydr Posted August 1, 2013 Report Share Posted August 1, 2013 Throttle Position Sensor or TPS, they are a pain in the #@! Link to comment Share on other sites More sharing options...
Tgonsoulin Posted August 2, 2013 Author Report Share Posted August 2, 2013 They are a pain in the #** to replace? Link to comment Share on other sites More sharing options...
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