Fuel Hoses Lines/piping And Fittings problems of the 2003 Dodge Ram 3500

Poor fuel mileage in comparison to several other Dodge's of the same year. While pulling a trailer at 63 mph the vehilce had a low of 6. 85 mpg. On average the vehicle got 7. 5-8. 0 mpg loaded and 12-14 mpg empty. The dealer reflashed the computer. The vehicle was returned to the consumer but now it was missing. The vehicle was taken to another dealer. The truck was left there for a week but they were unable to determined the problem. The vehicle was ereturned to the consumer. The dealer contacted the cosumer to bring the vehicle back to the dealer to perform service suggested by the manufacturer. On the way to the dealer the truck started blowing transmision fluid through the radiator overflow. The dealer had to rebuild the transmission, replace the radiator and transmission cooler. The u-joint at the rear axle snapped which caused the drive shaft to collapse onto the highway. The fuel lift pump failed which caused the vehicle to stall while driving. Transmission cooler line leaked.