Generator vapor locking
So I've been trying to track down this issue I have been having with my 5500 Cummings/Onan generator. It will die out intermittently. I finally tracked it down to it dies when you hit a very rough hig...
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Thanks everyone. The only thing I was thinking was installing a vent in the outside door that accesses the Generator. I’ve seen some newer MH’s with a similar vent.
As far as the generator itself. I was thinking it was the oil level, but ruled that out on several occasions. I’ve tried full to the max mark when hot. Tried to max mark when cold. And slightly overfilled. Always does when it’s hot out and I got a very harsh dip or anything that shakes the MH hard. Yesterday coming home it ran fine for about 6 hours. Then one hard bridge expansion joint and it died. It always starts right back up. That’s why I’m thinking it’s not vapor locking. The fuel pump is a good idea. Maybe I’ll try that. It’s cheap considering. I may first try and unplug the oil switch and See if it still dies. It doesn’t use oil. So for 5-6 hours it will be fine. Like I said it only does on the road, never stationary.
As far as the generator itself. I was thinking it was the oil level, but ruled that out on several occasions. I’ve tried full to the max mark when hot. Tried to max mark when cold. And slightly overfilled. Always does when it’s hot out and I got a very harsh dip or anything that shakes the MH hard. Yesterday coming home it ran fine for about 6 hours. Then one hard bridge expansion joint and it died. It always starts right back up. That’s why I’m thinking it’s not vapor locking. The fuel pump is a good idea. Maybe I’ll try that. It’s cheap considering. I may first try and unplug the oil switch and See if it still dies. It doesn’t use oil. So for 5-6 hours it will be fine. Like I said it only does on the road, never stationary.
