04. 5 Banks six gun and speed loader while pulling a long grade truck felt like itt missed and the truck started to shudder and and through engine codes for crank and cam sensor but when I came to a stop and put the vehicle into reverse it really shuddered and died. codes where cleared and sensor replaced. Truck was test drove did fine made a stop put vehicle back in reverse it shudder again tripped engine codes again any help. also disconnected banks. same problem with are without