Generator Issues
My 4000K (K model) Onan generator has been running great for the last couple of years...until now. I was exercising the generator a couple of weeks ago, and allowed my gas tank to get down to the 1/4 ...
Forum Discussion
Today, Sunday, I went to start it at the storage area. The ambient temperature was 94 in the shade. The generator started immediately. It then ran for twenty minutes (without a load), then began to surge for about 10 seconds, then immediately died. If I read the code correctly, it was 36 (Engine stopped fault). The second time it ran it did the same thing. The gas tank is 3/4 full. The gas gauge is accurate. It is all fresh gas. The third time I had it running and died, I did not get any codes. It is my experience that fuel pumps generally do not run intermittently, so why would it run great for 20 minutes? The same thing with a fuel filter. Once it is clogged, it is clogged. The oil is between the low and full mark. So what is making it surge (remember: no load) and quit running after 20 minutes. Do you all still say it is either the fuel pump or the filter? I will go ahead and replace those, but I suspect they are not the culprits.
