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I have a, 7 KW standby home generator, runs on propane from on-site underground tank. Been in service for 6-7 years. Engine has been trouble free. ( Can't say that about the electronics, though, and I still won't buy another Generac when this one goes ). All I have done to the engine is routine oil changes, battery maintenance, and a new spark plug 2 years ago. I check the air cleaner, still looks real clean.
The Problem: The engine is subject to minor speed variations. It's not bad, I think it would stand up to a power outage. But you hear the rpms vary a little bit. It starts easily during its routine exercise periods once a week.
Question: Is there something I can check, as the untrained homeowner, that might cause this? It ran perfectly out of the box up until this fall. I hate to call a service guy as they all basically suck in this area, and screw you mightily. As usual, thanks in advance.
The Problem: The engine is subject to minor speed variations. It's not bad, I think it would stand up to a power outage. But you hear the rpms vary a little bit. It starts easily during its routine exercise periods once a week.
Question: Is there something I can check, as the untrained homeowner, that might cause this? It ran perfectly out of the box up until this fall. I hate to call a service guy as they all basically suck in this area, and screw you mightily. As usual, thanks in advance.