I just got mine back from the dealer yesterday. I also had a surging problem at idle and they cleaned my throttle body for about $35.00. I had 11,000 miles on the odometer. I hope this isn't something that needs to be done every 15,000 miles. I'd like to learn how to do it myself if that's the case.
By the way, I'm not sure it helped much as I noticed a little surging (that went away quickly) today.
JohnS
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