2001 Ram 2500 with new IP, Map Sensor, FASS System
Problem started before new IP, MS & FASS and still exist
It is more noticable while on cruise at 70mph after approx. 20min.
Feels like someone is applying a hand brake or its defueling (intermediate)
I had an Edge Comp box hooked up and it would be OK for approx. 20min then it would start blinking and the truck wouldn't run but approx 20mph I took it out reset check engine light and now the problem is only real noticable at times( mostly on cruise at 70mph after 20min)
NO CHECK ENGINE LIGHT comes on except when Edge is hooked up (Codes: 0234 & 1693)
But still have these codes (No check light) withjout Edge.
I pulled a heavy trailer 1100 miles with this happening it feels weak and under powered but mostly only above 60mph (Pulled OK but you could tell you needed more fuel)
410 rear gears should be winding high RPM but feels like I should be getting more fuel
Good fuel pressure
Problem seems intermediate
Any ideas I would greatly appreciate your help

 

apps?

 

I would check my APPS as crzy said, I would also check PCM ground and Edge ground. Both are very well known for causing your problems! If you cant find it there , Most likely you could trace it back to the Alternator Harness and APPS/TPS noise issue!