The Main Causes Of Some Basic Generator Problems. In this article, we’re going to show you some of the reasons you’re having certain problems with your generator. There are a number of things that you may be completely unaware of in relation to that, and we will show you just what they are, below.. If your generator’s engine is working but you can’t get any AC output, these may be some of the possible causes: – There is a fault in the generator – There is a circuit breaker open – There is poor connection or a defective cord set – The device that’s connected is bad If your generator’s engine is running good at no-load, but when there are loads connected, then these may be the possible causes: – There is a short circuit in a connected load – The engine speed isn’t fast enough – The generator is overloaded – There is a shorted generator circuit – There is a clogged/dirty filter If your generator’s engine won’t start, or starts, but runs roughly, then these may be the possible causes: – There is a failed battery – There is a low oil level – There is a dirty air filter – There is no fuel – There is stale fuel – There is a clogged/dirty filter – There is water in the fuel – The engine is flooded – There is a bad spark plug – The spark plug wire isn’t connected to the plug – The fuel mixture is too rich – The intake valve is stuck open or closed – The engine has lost compression – The start switch is in OFF position – The fuel valve is in OFF position If your generator’s engine is running and shuts down, then these may be the possible causes: – There is a clogged/dirty air or fuel filter – The carburetor is running too rich or too lean If your generator engine falters, then these may be the possible causes: – The fuel filter may be clogged/dirty – The carburetor may be running too lean or too rich If you are looking for small engine repair services in Ottawa, mobile car battery boosting, lawn mower and lawn tractor repairs and tune-ups, or snow blower repairs then give us a call to book your mobile small engine repair today. We fix, repair, and tune-up small engines such as lawn mowers and snow blowers. The best part is that we come to you so no more waiting in line or traveling back and forth to fix your small engine equipment.