One problem related to engine stall has been reported for the 2007 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 GMC Sierra 1500 based on all problems reported for the 2007 Sierra 1500.
In moderate traffic, I was travelling south on germantown pkwy. At a traffic signal, the light changed to red and I stopped the vehicle. After a few moments at a dead stop , I noticed the speedometer jumping from 0 to 10 and then higher. With no indication whatsoever from instrumentation, the engine stalled. There were no indicator signals at all. I was able to restart the engine after placing the shift lever in park and turning the key. I then contacted on star, and reported the incident and asked for a diagnostic. They reported "an ignition problem" and said I should schedule an appt with a dealer.