RV: 97 Am. Eagle 40 ft.
Engine: Cummins 325
Miles: 40,000
Headed for Canada up highway 2 across the UP of Mich. Pulled into a rest area everything running fine, next morning engine did not start quite right. Normal two turns over pops right off. Took 4 or so turns to start. Got out on the highway and could not go over 35 miles per hour. Finally got the coach up to 40. Pulled into a turn off and called my friend Don (diesel mech.) he says check the fuel solenoid, see if is sticking. Went back sprayed it and pried on it (hard to see on that engine) sure enough that did it, soaked it good with WD40. Happened again coming back from cherry fest again sprayed and worked on it with a screw driver. Every thing running smooth headed for home (MN) back in the UP on highway 2 headed west. Stopped at a station to buy some pop and snacks, started it up bang, just like that could not get it up to speed no power. It was late so tuned around and stayed at the station over night, next morning took it to a mech. He would not touch it, didn't work on diesels. I finally went to work on the solenoid with a hammer and screwdriver. Got it working but we did not dare shut it off for the entire trip home 500 miles. Stopped at a Cummings dealer in Green Bay, but they could not give me any help. They said if could be anything. (no help). When I got home took it to Don's and we pulled off the solenoid, it was starting to come apart. Put a new one on, its a hour job. Turned into a 10 hour job. A couple of screw snapped off and we had to pull off everything. WOW. Cummings puts on a screw that has a one way head. You have to try to get it out with a chisel or vise grips.
This is only on my latest coach. I'm not going into the older ones. LOL