Onan Marquis 5000 quits after a while?
I have a BGM series Onan Marquis 5000 which fires right up. After about 20 minutes it just randomly dies. Then it won't start for 10 minutes or so then will fire up again. Sounds weird, but it seem...
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I had the same problem last year. Find all the fuel line clamps between the tank and the gennie. I found all of mine were loose to some extent. Tightned all the clamps and problem solved.
Here is a word of caution -- if your fuel filter is the type that screws into the end of the pump, use two wrenches to remove it, one to turn the filter and one to hold the fixed nut on the end of the pump. I decided to save 60 seconds when changing my filter, used just one wrench and caused the end of the pump to fracture. I knew better but thought I could beat the odds and save a trip to my tool box that was all of 20 feet away!
That, friends is a $100.00 lesson on why shortcuts are generally a terrible idea.
Here is a word of caution -- if your fuel filter is the type that screws into the end of the pump, use two wrenches to remove it, one to turn the filter and one to hold the fixed nut on the end of the pump. I decided to save 60 seconds when changing my filter, used just one wrench and caused the end of the pump to fracture. I knew better but thought I could beat the odds and save a trip to my tool box that was all of 20 feet away!
That, friends is a $100.00 lesson on why shortcuts are generally a terrible idea.
