04 cummins ?s
 

I know my injectors are goin bad but today started truck and it said (no bus) where mmileage shoulda been and none of the gauges work n as far as I can tell all the dash lights are on

i had that happen in a 01 24v. never did figure it out. let me know if ya find something. all i can say is. find a code reader

Pull the connectors on the ECM and reconnect...there was a corrosion issue at one point.