Quote:
Originally Posted by denforent
I'd look for a fuel supply problem....
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I would too--- but I'm leaning towards the pump. Old diaphragms can get weak and stretch while being used, to the point they won't push fuel until they cool...
Try this: when you start the genny, put your hand on the pump. You should feel it 'thumping' intermittently. "Intermittently" is the key, as it should NOT thump continuously, as it should hold pressure for a few seconds between pump cycles.
If it's intermittent, then check it again after 45 minutes of running, and note if the 'dead spaces' are closer together or thumping continuously.
If it EVER pumps continuously, it's not building pressure and needs to be replaced...