One problem related to ignition coils failure has been reported for the 2007 GMC Envoy. The most recently reported issues are listed below.
The contact owns a 2007 GMC Envoy. The contact was driving approximately 55 mph when the vehicle stalled without warning. The contact stated that the failure was the fourth occurrence. The vehicle was taken to the dealer after each failure and the dealer first diagnosed that the computer system was defective and would need to be replaced. The second time, the dealer replaced the ignition coil and the third recurrence of the failure, the accelerator pedal was replaced. Each of the remedies administered failed to repair the problem. The vehicle was towed back to the dealer who was not able to diagnose the failure. The manufacturer was contacted who filed a report and stated that they would contact him at a later date. The vehicle was not repaired. The failure mileage was 79,000 and the current mileage was 82,000.