Hi there, i bought a 2000 f250 7.3 about a month ago, and it has 180,000 on the motor, and the other night i put fuel in it, and after about a half mile of driving i noticed the idle was getting rougher and a blue cloud of smoke was appearing out of the tail pipe. As i drove down the road it got proggressively worse. It was sputtering and the blue smoke became larger, and as u hit the gas it had no power and felt like as if it was loading up with fuel and then almost like a backfire sound. I turned the truck off and it restarted with a super rough idle, and a continuous cloud of blue smoke. Everybody i have talked to is suggesting the injector pump, or a few injectors stuck open.
Any ideas are appreciated. Thanks for looking.