What does it mean when my t-bird starts self excelerating own its own even when i haven't put foot on the gas pedal? when the car is on and it sets there while in gear it sounds as if i'm flooring it even though my foot is on the break only.on top of that it jerks when i take my foot off the break even when i've given it no gas. can someone please tell me what's wrong with my car. :?: