the issue happens with high idle hours, most common is when Idle hours exceeded 7% of total hours. my youngest stepsister works for AutoAssure warranty company and according to their records 90% of all lifter claims are 5.7s with idle hours between 7% and 9% of total hours usage the other 10 are 6.4s with Idle usage above 5%. The Dodge dealership my nephew works at does 2-3 a month same common thread High idle hours ...my brother is a fleet mechanic for a local Municipality, they do 1-2 pursuit charger week and 1-5 1500 2-3 2500 rams a month, keep in mind that when the engine goes in to ECO mod the computer registers that as idle hours,

Dave that 09 2500 you did , did it have solenoids or plugs?