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Procharger Stage 2 - 2013 Mustang GT Minor Hiccups

  • Thread starter Thread starter KHills5058
  • Start date Start date Oct 9, 2025
K

KHills5058

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Oct 1, 2018
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Central PA
Oct 9, 2025
#1
  • Oct 9, 2025
  • #1
Looking for some help/suggestions with how to diagnose some issues I am having with my 2013 mustang GT and the procharger stage 2 kit that I installed last weeked.

I ended up getting the complete stage 2 kit from procharger and have been trying to figure out if I have a boost leak somewhere. I have gone thru two tune revisions with procharger, the first was to solve a DTC for the o2 sensors detecing a rich condition. Procharger was able to make some edits to the fueling and got that squared away. Now, just yesterday I got a DTC P0507 for idle air control system rpm higher than expected. The provided tune from procharger has the idle set at 750rpm but when coming to a stop, the idle would jump up to about 850-900rpm and then surge to about 1100rpm. Procharger provided another tune revision which I have yet to try but, could this issue also be coming from a vacuum/boost leak?

Any suggestions/help would be awesome.
 
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