The issue is with injector 8 had 3 different injectors in that hole. All the same. Rates aside. When that number goes up after about 20 seconds or so. The truck runs a little rough and starts smoking a lot. Coolant levels good oil level is good. And yes recalibrated everything with tech2
I have a 2010 LMM Duramax. When the truck is below 180 +- deg. It idles rough and has one injector pressure (#8) at about 7mm. It smokes really bad as well. Once it’s warm it runs great. New injectors. And I took the one injector (8)with high rate and switched it with another (6) and problem...