it to run let foot off and it die? i have a 1988 chevy g20 van that when u start it up u have to feather the gas pedal for it to run as soon as u let of the pedal it dies.PLEASE I NEED HELP ive changed out MAP,TSP the torque converter cap rotor plugs new battery ive taken to 2 shops and they could not figure it out please im looking for any answers im tired of changeing out parts that dont need it PLEASE SOMEONE HELP!!!!!! oh yeah it is a 1988 chevy g20 350 1/2 ton thanks for all your help in advance