Hello, I have a few codes that I need some help with. First a yellow check engine light. The truck has failed at regening both driving and parked....
Just an update on this. Frieghtliner said there is a sending unit behind the drivers seat that sends data from the truck to the ecm. It's showing...
Thanks yes I did that and it was reading 36 and the gauge was staying there as well. I'm going to have the electrical checked now. Hopefully a...
Hello all, this is my first post on here. My oil pressure is moving back and forth at an idle. I've had no luck with diagnostics. Engines seems to...