I have a 2004 Dodge Ram 2500 4x4 diesel with over 136000 miles also my truck has a sports package with a 4inch straight exhaust my truck use to run like a bat out of hell but now it looses speed just trying to climb a small hill

I tried to actually run the Diagnostic today I had some compression ...

I tried to actually run the Diagnostic today I had some compression issues and I unmarked all topics listed under tools on my predator and marked just the cylinders as well as the cylinder banks and the truck was running at the time and it never read them so I went back and marked every option and ...