That is strange but most dealers have what is known as a break in period. During this time they will fix anything that comes up regardless of your warrenty status.
^And as mention did you do anything like a intake recently?
Anyone ever tired to get them read at the dealership?
Friend went to take his Xtreme to get the code and find out what is wrong. However the light wasn't on anymore when we went.
The guy said he would however if there wasn't something really wrong then it would cost $80 bucks.
Sucks!
80 bucks to plug it in and read.
Hmpf I use to take a paper clip and read them off my Saturn all the time hehe.