Onan 5500 surging after warm
Hello I have a 2014 TH with an Onan 5500. After running perfect and warm, the unit starts to surge. If I hold the butterfly on the carb manually by hand just slightly closed,(it is wide open when...
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dehaile wrote:
It surged after warm up in this configuration as well. I ran it two hours and it did not help.
Sometimes carb cleaner needs to sit in the carb overnight (at least) to really do it's job.
But on my Onan 4K, the carb had been cleaned professionally at least 3 times over it's recent life with only limited success short term. The Onan dealer said the offending passages are almost impossible to get cleared once they are really plugged badly.
A new carb has it running like new now for about 8 months. It had to go back once for a choke linkage adjustment.
