Other Fuel System Pump problems of the 2007 Ford F-350

Since I bought this 2007 Ford f 350 I've had nothing but problems fuel pump injectors egr cooler fuel filters brakes the truck has been in th e shop three times since I've had it now I'm praying dont anything else go wrong what a waste. ;.

The truck starts running rough, has a lack of power and blows black smoke. In the last year, it has occurred on approximately a monthly basis. In the last 7 months, the same dealership has replaced 12 fuel injectors, 1 egr cooler, 2 egr valves and 1 fuel pump. The dealership is now telling us that a cylinder, valve and piston have failed and the truck which is now out of warranty needs a new engine at the cost of $12,748. 27. The truck has been at the same dealership almost every month this year including twice in April and now twice in October since March 29, 2008 for the same complaint and they expect us to pay for the engine.