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
MEXICOWANDERER wrote:
It points to a fuel starvation issue. Classic symptoms.
It's classic for a lean condition, generally caused by fuel starvation, but he could be sucking air around the throttle somehow as well. All air must pass through the carburetor or the fuel mixture will be wrong.
Verify proper compression, if ignition timing is adjustable check that, and if that is good, go back to focusing on fuel system issues or vacuum leaks.
