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First time posting, I've used your advice on many previous issues reading different forums and such. Hopefully you can shoot a clear answer for me here cause I'm stuck.
1999 Dodge Cummins, I've had periodic dead pedal for the last 2 years. Would drop to an idle at highway speed and no throttle response. Shut truck off, turn back on, problem went away.
Now the truck is stuck at a slightly high idle at 1,100 RPM. No Throttle response at all. I just replaced APPS with Napa replacement. No different.
-Vp44 replaced 3 years ago
Some other history:
-one day no gauges worked and got (No Bus) on odometer. Next day "problem fixed itself"
-A month ago the Wait to Start light would not come on before start up. But once running voltage would draw like grid heater was working while running. A week later "problem fixed itself". Wait to Start works fine.
So after this extremely long post (sorry) are these symptoms of a faulty ECM??