01-04.5 LB7 Duramax Powertrain
In the last 1000 miles, I changed my injectors, and fuel filter housing, added an air dog, and threw in a CP3 I bought from a Duramax enthusiast. Since then, the truck has started well when it's 70 and warmer outside. When it gets below 65, it starts to lope and surge a little for 20-45 seconds...