Locking Pin wear is a real phenomenon, How often the AFM lifters have to lock & unlock has a direct correlation to how fast the locking pins wear to the point they no longer unlock.
Now....There is a procedure to unlock a locked AFM lifter on Gen IV engines, Then tune the AFM out at that time.
Not trying to convince you of anything, Sounds like you take care of your truck & who am I to tell you what to do??
Now....There is a procedure to unlock a locked AFM lifter on Gen IV engines, Then tune the AFM out at that time.
Not trying to convince you of anything, Sounds like you take care of your truck & who am I to tell you what to do??