Let the computer relearn by going for a drive around. It might take a while before it relearns and during this period it can act funny while idling.
Lets start with this first if problem was not there previously.
Ig the Maklfunction Indicator light is showing, get a free scan done at parts stores and let us know the EXACt trouble code.
Thursday, September 20th, 2012 AT 9:04 AM