Dakota Forumz banner

back fire backfire

  1. 3.9L V6 Specific Topics
    My truck randomly backfires some times? I have replaced almost every sensor the only one not replaced is the map sensor as far as i know. And would ethanol be a problem in these trucks? Ive tried ethanol free gas and it kinda seems to help but maybe im just wasting money? PLEASE HELP! The...