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Hi Folks, let me throw something out there that might shed some light on this as its happened to me. I have noticed on some occasions when I put the car in "Sport" and drive it around a bit and then turn "Sport" off the car has lowered its idle to 500 rpm and is sluggish when taking off from a stop. I have to stop the car and put it back into "Park" and then the idle goes back to about 700 rpm in "Normal" mode. It doesn't happen all the time, just some occasions. I have not had time to take it to a dealer but will soon as its certainly not right when idling at 500 rpm. Just curious, did you just come out of "Sport" when you noticed it?
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