Need to do relearn on a throttle body
The relearn is done by unhooking the battery for 30-60 minutes. With all HVAC OFF, hook the battery back up and drive your Ascender around for about 40 min or so, at this time, it will relearn. To test it, stop the vehicle put it in park and turn your AC on, if your car doesn't show signs of boggin down or trying to die on you, your relearn was done correctly. This is all assuming that your throttle body is CLEAN!!! If it's not clean, your idle will be bad and engine will try and die on you at idle when your AC or Defroster are on. Relearn should of already been done---> you always disconnect the battery when cleaning the throttle body, as to not to damage the stepper motor that moves the butterfly. To properly clean the throttle body and for best results, always remove the entire throttle body and clean BOTH sides with a sensor safe spray like Seafoam and a rag or nylon brush, you can reuse the hard plastic gasket. Hope this helps!
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