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Well I think I had one or more hung injectors. With Lucas injector cleaner in the cleaned tank and some premium 2 stroke oil, the truck now idles nicely and will rev with a bog down and catch back up. I drove it around the neighborhood and found it simply has no power. I kept it in 2nd gear, 3rd...

Good call, once I resolve this mess I'm going to install a Racor water sepearation filter just prior to the pump :0(

With all the positive comments re Diesel 911, we're thinking it broke whatever the bad stuff was inside the tank. With the fuel filler baskets on these trucks, you can't peer inside the tank. A heavy duty strap wrench and I've now removed the fuel filler baskets off my trucks. They just corrode...

Well not sure what to think now. Prior to using the 911, I've used the regular version of Diesel Power fuel treatment since I acquired the truck in 2012. Only the driver tank was gummed up and received the 911 treatment. The larger problem now is the rough running motor, no power and knocking...

During the winter, temps got down below freezing overnight for several weeks. Concerned about fuel gelling, I bought Diesel 911 and added it to my M936A1 fuel tanks. Every couple of weeks afterward, I would fire the engine and noticed that the initial start would "spike" and the engine would...