Seems like a fuel supply problem. Just because your leaf blower won’t start doesn’t mean it needs to be replaced completely. If I let it idle for a … Regular leaf blower maintenance requires you to do the following to keep your leaf blower shock-free: Disconnect your spark plug; Check your spark plug for corrosion or other damage. There's a number of reasons why your leaf blower might be failing to start up, and it typically depends on what fuel your models uses – petrol, electricity or battery. I just ordered a new fuel filter to help protect the carb from fuel tank debris. I use it to blow the debris off my tractor, which is really dirty right now, so it is important that I get the leaf blower running. Gas leaf blowers are more prone to having issues over electric blowers, simply because there is more that can go wrong. I had to change the fuel lines (apparently a common problem), but after reassembling it, I can't keep it running. Best wishes to all. In most cases, it just requires a little maintenance and it will be back to running like new. Today I took the carb apart and cleaned the screen. When it is clogged, the air filter will allow just enough air through to the engine to idle, but when you engage the throttle, it will shut down. Air filters can be cleaned to ensure they run properly, and should be inspected as part of your normal blower maintenance routine. Reconnect your spark plug if it is in excellent condition; Repeat these steps every single week while your leaf blower is in use. It still runs (well) for a while and then overheats and shuts … I have always run it dry so the carb, etc. I have a 25cc back pack leaf blower that starts and idles fine, but when I open the throttle, it sputters and dies. is very, very clean. Started right up and ran perfectly. Which is getting very annoying in this cold weather. I have replaced the lines, fuel bubble, carburetor, and carb gaskets, and spark plug. Old fuel left in your petrol leaf blower. The carburetor or air filter might be clogged. If I let off the throttle, it will idle but if I don't let off, it will stall. My blower/heating system has developed a little glitch where it turns itself on and off while blowing air at any speed setting. At best, it will run at half throttle, but never at peak rpm. If your blower engine will idle but dies at full throttle, or leaf blower stalls when i give it gas. Troubleshooting a Leaf Blower. Hi, I am attempting to do my own repairs, but am stumped by my leaf blower. I really appreciate all the guidance and advise. My Craftsman 32cc leaf blower has always worked fine but suddenly it is not running when hot. If you’ve had your leaf blower in storage over … When fall rolls around and leaves start littering your lawn, a leaf blower can come in very handy. Put it back on the motor and away we went. Leaf blower won't turn on. 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