Clean your intake manifold pressure sensor or exhaust pressure for a start
When unloading I just make it a habit to drain my trailer bags, guess I'm just used to frameless habits anyways
How brittle is your harness, those iva harnesses can cause lots of issues once they get oil in the wires and worn out. I myself don't fight iva...
On our triaxles I keep spare lines and don't waste my time trying to loosen the nuts just cut on each side of frame rail and grab a new section....
Check for debris in between rad and intercooler as well seen trucks get a piece of plastic or bag up in there before
Don't look past the fuse panel under the hood either
Air it up and save some wrenching on the cage bolt
