Onan mobile Gen Set HDCAB/HDCAA start problem
We have a 2003 Monaco Executive with a generator start problem. I am able to start it by running the engine for 45 minutes and using the battery booster. The chassis and house batteries read high 13's...
Forum Discussion
Goes back to my original idea. It is loosing the fuel to the injectors. It cranks over trying to prime the fuel system. Cranking over enough will prime system, but is hard on starter.
You could try testing this theory by loosen fuel line to an injector, have helper crank over genset while you watch for fuel at injector. If you get air and no fuel, that would indicate fuel pressure is leaking.
Not sure if you engine shuts down via a fuel solenoid. If so equipped, check connections and make sure it is opening fuel.
Fuel pump?
You could try testing this theory by loosen fuel line to an injector, have helper crank over genset while you watch for fuel at injector. If you get air and no fuel, that would indicate fuel pressure is leaking.
Not sure if you engine shuts down via a fuel solenoid. If so equipped, check connections and make sure it is opening fuel.
Fuel pump?
