Onan 5500 Backfires and Dies under a load
Good Morning.. Im hoping to find the Onan guru's that are here... For the past year I have been searching for answers and replacing parts with no improvement. I have an Onan 5500 with less than 100...
Forum Discussion
Check this site towards the bottom (should be on page 2):
https://www.smokstak.com/forum/showthread.php?t=144848&page=2
One person had a valve adjustment done and it fixed the problem, another had the Cummins dealer say it was a bad coil.
We had similar issues on our Onan but it had to do with vapor lock. Also on other forums they mention to check the altitude setting.
Good luck!
https://www.smokstak.com/forum/showthread.php?t=144848&page=2
One person had a valve adjustment done and it fixed the problem, another had the Cummins dealer say it was a bad coil.
We had similar issues on our Onan but it had to do with vapor lock. Also on other forums they mention to check the altitude setting.
Good luck!
