Injector leak valve

[fatbedsv77]

So I have a ISX15 (2250). early 2012. I am getting SPN 656 Injector Cylinder #6 (FMI7 Mechanical system not responding properly.) I have 483,000 and know Im due for an overhead. So my question is do I need a need an injector or will an overhead fix the issue possibly?

Thanks

[Nilao]

I'm leaning towards an injector. The ECM could care less what your valve adjustment is. All ot knows is it told the injector to do something and it didn't listen lol.