Onan 4000 generator cranks but won't start
Hi all, I have a 2015 Cummins Onan RV QG 4000 generator. It has somewhere between 300-1000hrs (not sure, I've only owned it for about 2 years and it was a previous rental...might not be the origin...
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I am guessing the "compression tester" screwed into spark plug hole.
Sounds like it could be a stuck valve in open position. Most likely an exhaust valve.
Sounds like it could be a stuck valve in open position. Most likely an exhaust valve.
