Onan 5500 Stops Running after 15 minutes
I have a Class A gasser with the 5500 Onan generator. It has only 70 hours on it and it has run just fine until recently. I start the generator from the inside control panel and it has no proble...
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remove the fuel cap and see if it does it, mine did the same thing, I repalced the fuel pump and same issue, then I removed the fuel cap and bingo it wasn't venting properly. I bought a new fuel cap and did the same thing, now if using the gen I loosten or remove the cap and it works fine (mostly in HOT weather) there must be a vent somewhere. If I tighten the fuel cap it dies in about 15 mins.
