My name is Tom Albrecht, and I'm from Upstate NY.(15 mins. north of Utica) I'm new to diesels and found a lot of good info here. I have an 04 2500hd ext lt 4x4. Seller put the screws to me telling me that it had new injectors. Yeah right, maybe 100,00 miles ago. So after paying 12,500 and 3500...