The gas pedal in your dream is an indicator how you are controlling your life in reality. The pressure you give to it means that you have a fierce to move on without being afraid of consequences. Alternatively, the dream may show that you find it hard to stop while dealing with your issues. The gas pedal that is not working indicates your inability to control things even if you think you do everything perfectly.
Read more about dreaming of Gas, pedal in other dream meanings interpretations.