My buddy with a Duramax had to replace all his injectors at 120,000 miles and got me worried - I have about 200,000 miles on my 2006 Dodge. How long do injectors typically last and how does it diff...
My relative's work Dodge broke down at 590,000 miles doing light freight work. It needed a head gasket and related kit. All other parts including injectors were within spec. Cross hatching still visible in the cylinders.