I have a Chicago 5500 watt generator that has a auto choke and am having the hardest time to start it. The only way I can get it to start is to squirt starting fluid in the carb then it will run. There is fresh gas in it. It has battery start also but same thing hard starting. It only has maybe 20-25 house on it and most of that is just running it like once a month. Model # 98838 but this has auto not manual choke. Anyone have any ideas on what to do short of dropping it down a hole.