last nite went out and while going 40mph left off pedal and truck surge/took off for a second. check eng came on and pulled codes. mass air flow sensor. cleared codes and tonight coming home three times when leaving off pedal, truck surges/ takes off for a second. any ideas? i can just see myself rearending someone. no check eng lite tonight. scary when you cruisin 80 and get off pedal for a bend and truck takes off. haunted or what.