Maxine

My 2014 Spark is at the dealership again.The problem I was having has now changed to lurching.The engine revs then lurches without moving as if I slam the brakes.Did this twice trying to accelerate.The guy behind me went around me as I was trying to get the car to move.When I accelerated again the transmission was growling but moving slowly.When it clicked in gear it started moving faster.They have reprogrammed it for the second time.The flap on the gas cover has something broken as it won't close.The clicking in the fan for the defroster they tell me has been fixed but the radio blew so they

My Chevy Spark just rolled when I pressed the gas pedal to pull onto the highway.I had to turn the steering wheel hard to roll back off the road to avoid a collision.This is the second time the car has rolled and not accelerated.The cyclist was able to stop and avoided hitting us as we could not get the car to move.I have an automatic transmission.If the gas pedal is pressed almost to the floor or to the floor the car will just roll like it is out of gear or something(that is what I am thinking it is).Took it to the dealership and it had two codes but nothing for what it is doing. Because it