GM Repair Problems? Ask GM Repair Expert Now.
Welcome to just answer.com. I'm here to help you and your 100% satisfaction is my goal.
Very often this is a sign a faulty injectors many of these have an extended warranty to replace faulty injectors. In order to rule out the air problem, simply install a piece of clear plastic tubing in the fuel line before it gets to the fuel distributor and watch as you try to start the truck to see if there any air bubbles present in the tube