I bought a 2008 svm aveo5 with nothing in itdrove about 40 miles and turned around because the check engine light came on. I got to the dealer and shut off the car. they read the OBDII and there wasnt anything stored. I drove another 40 miles and the check engine light came on a gain. I went back to the dealer and left it running. They were able to get the code. It was a misfire in the the engine. the flashing engine light according to the manual from the car also states that this is the problem. anyone have simular experience at any mileage level?