Commercial On Road Cummins Engine Discussion
I have a Freightliner FL70 with a Cummins 8.3 ISC. My ECM died and I never figure out why, but I paid $1,500 and got a new one. Now the truck won't start, and when I try to check the codes, all I get is code 493 (four blinks, then nine blinks, then three blinks)
I guess that means "fuel pump...