I got a question what would cause a truck to build to much rail pressure like 22k without starting its an 2005 cummins new ecm flashed to it* new optima batteries air dog 150 fuel regulator is good I have it at a shop and there having one hell of a time with it so im trying to do some of my own...
I bought a used ecm off of here last week went to the dealership and they told me they can't flash my vin into it does anybody know a place that could do it or if its possible thanks in advance