I got my car back from the dealership a week ago. They took care of the recalls and said they couldn't get it to act up. I was peeved that they charged me $150 to look at it when it seemed apparent that it was stalling as a result of the recalled PCV valve. All seemed well until this morning. I was stuck in traffic on a stretch of my commute with nowhere to pull off if necessary, and it stalled! I restarted it, and it didn't happen again, but the rest of my commute was nerve-wracking. I'm extremely disappointed and worry that I made a huge mistake buying a Spark. I didn't buy it new but