Quote:
Originally Posted by HotLavaChick
it doesn't stall but almost does. sometimes. other times it fluctuates hard
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I have a brand new 2016 that started doing this today. 280 miles on it. Drove it into work on the interstate for 22 miles, AC on. Pulled into my parking garage downtown, no issues, but when I parked and turned off the AC, it started dropping down to 400rpm, started to stall, jumped up to 1100rpm, slowly started to fall all the way to 400 again, and back up to 1100. It did this about 5-6 times before I turned off the car.
To me at least, it seems like an ECU programming/learning issue. I bet if I pulled the battery for 15 minutes and reconnected it that it would be fine for a while. My 2014 Mustang would do the same thing, but only occasionally and never this bad.