Echo trimmer dies after heats up. When everything else checks out, there are only two possibilities left. A bad coil can cause this issue as well. But, when it gets hot and humid (over 85 degrees and humid), they ALL run like crap. Once the stove is up and running around 400 I will turn it on and then let it run until the stove cools and it shuts itself off. Joined Oct 29, 2007 Messages 19 Location Indiana. One is that right after it shuts off, i hear a echo bang noise from the vents. Our repair guide can help you identify your problem and show you how to fix it with the right part. It sounds electrical, after 20 minutes its warm, ignition modules failing often do so when hot, see if spark is bad when it happens. !. If you discover a crack in your fuel line, you will most likely need to replace it. It starts fine and runs well for about 15 minutes or so, then it bogs down. If you discover that your blower is dying after it runs for a little while (basically until it gets hot), your ignition coil may be faulty and will likely need to be replaced. If I let it idle for a minute, it will rev up again, but will soon bog down. Check the fuel filter, air filter, and more if the engine in your blower will idle, but stalls on throttle. The carburetor might be clogged. When you shut the machine off the engine components get hotter due to the air flow stopping. The blower's second hand , fuel lines are fine and the carb is a known good runner off of the 620 (yes it's a semi-redneck with a blower thing!) make sure not to hold onto the sparkplug. I have a Craftsman/Poulan leaf blower that runs pretty good. ECHO’s PB-9010T Gas Engine Backpack Blower is ready to tackle the toughest jobs. If you discover that your blower is dying after it runs for a little while (basically until it gets hot), your ignition coil may be faulty and will likely need to be replaced. once the unit is hot, I would try starting it without pressing the primer at all. If I let off the throttle, it will idle but if I don't let off, it will stall. If the crack is small, this can cause the engine to die somewhat unexpectedly, as very little fuel is leaking out. With either a timer or manually turning on the blower, if at some point there is a call for heat it shuts the blower off before doing the "start and confirm power exhaust, fire and confirm burners, start blower" process. > Bubba. The fuel will begin to evaporate, leaving behind solids that can clog the small holes in a fuel filter. I ran it all winter and it ran fine. When everything else checks out, there are only two possibilities left. Over time, this debris can build up in the filter and make it more difficult for fuel to enter the lines and ultimately get to the engine. It didn't. Trouble shooting: It would run for awhile, then start bogging out and dying, like it was getting hot. At this point you can attempt to run your engine and look for a spark from the spark plug. The forums are retiring in 2021 and are now closed for new topics and comments. If your furnace turns off after a few minutes, there is a good chance it is caused by a faulty or dirty flame sensor. overheated blower motor the blower motor i talked about was diagnosed by me. Unplug the leaf blower and use a circuit tester to ensure that the on/off switch is working properly. After you apply one of these solutions, the engine should start again. After 3-5 minutes, it seems to loose power and eventually shuts off. Solution: You could turn you electrical power off and adjust the little tabs on your fan limit control.You can sometimes adjust the little tabs on your fan limit control to make in run longer or shorter. When your furnace isn’t actually heating, though, your furnace blower shouldn’t be running at all. But if it is a purge button that brings gas to the carburator (look in the carb and press the button, if you don't see any gas flow or squirt into the carb throat then it is a purge button) I would press it the 8 times. Your blower should run constantly until the heating cycle ends. The Gas Engine on My Leaf Blower Overheats & Seizes. I bought an Echo 18 inch chainsaw the same day and it still runs great. once if run it , shut it off and can't get it started again, remove the spark plug, put it back into the sparkplug boot, let the sparkplug touch something metal like the cylinder of muffler and pull the unit over and check if the sparkplug sparks. Life is good again. 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