Then I when to use it and it lasted 5 minutes. Thread starter gmlm; Start date Jul 27, 2013; G. gmlm LawnSite Member. A gas-powered leaf blower uses a combustion engine to generate power. After 10-15 minutes it will start and stall again. If I let it idle for a minute, it will rev up again, but will soon bog down. If the engine dies after warming up, it is likely the engine is overheating and automatically shutting down to prevent more serious damage. A leaf blower should never start smoking when in operation. It … If I try to restart immediately, with choke at “cold start”, it will kick over as if trying to start. Echo trimmer dies after heats up. This warping will cause the fuel to stop moving through the entire circuit, and the engine will shut off. There are shims under the coil that need to be present to not transfer heat into the coil if its getting too hot could be stopping spark. Runs great for about 5 to 10 minutes then dies. Haven't messed with any of the carb settings. If these systems are dirty or restricted, the mower will stall out and be difficult to restart. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. I've had this blower for a couple of years and absolutely love it. It starts off by loosing power and if I pump the throttle it'll rev up but eventually dies. If the engine starts and then sputters, or doesn't start at all due to lack of fuel, you might need to replace carburetor. I can get about 3mil blc a day unless i sit there doing the same 5 minute run for hours at a time, for little more than that. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! If the machine just suddenly started having this problem and was not sitting for a bit then I tend to think the coil may be failing on it. I have repeated the process 5 or 6 times with no luck. Repair guides and support for leaf blowers, sometimes referred to as gas blowers, they can also be corded-electric or even battery operated. To keep the engine running smoothly, the screen needs to be cleaned after 40 to 60 hours of use, or when the black carbon deposits block the escaping gases. If the air filter in your leaf blower … I then run the engine, a little bit, maybe 5 minutes at both idle and full load. Clean the spark arrestor screen inside the muffler, and scrub out the muffler and exhaust port with a brush. Recently it will start and run fine for about 20 minutes, and then begin to choke down, lose RPM and despite trying to rev it up with the trigger, it dies… Also you need to check if it has spark when it dies. After 3-5 minutes, it seems to loose power and eventually shuts off. It sounds like the carburetor is running out of fuel.First make sure the tank is full then loosen or remove the gas cap when it starts sputtering to see if that corrects the problem. Start doing it yourself with the confidence that comes with 100+ years of experience. A clogged carburetor is most commonly caused by leaving fuel in the leaf blower for a long period of time. Check for any perforations in the diaphragm and gaskets. Email. It has a new carb. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Blower runs fine for half a minute, then dies - Hi, I have a Green Machine blower, GB-50. Ask Question Asked 3 years, 9 months ago. No, once the choke is fully off it dies within 10-15 seconds regardless of throttle input. I have a problem with my Makita napsack blower, it starts fine and runs well for about 5-10 minutes and then the revs wont pick up and it dies. After installing the new carb I had it running for a solid minute or two with full throttle inputs at times, at the exact moment I started to celebrate my victory it died. However, now its dying after running perfectly for about 30-45 minutes (about half a tank of gas). solutions – leaf blower starts and dies out in few minutes It sounds like the carburetor is running out of fuel.First make sure the tank is full then loosen or remove the gas cap when it starts sputtering to see if that corrects the problem. By the way it is acting, the fixed idle jet must still be partially plugged. It's an Ariens ST724 with a Tecumseh HSK70. If air is entering the cylinder from a leak around the seals, the result is a loss of compression. Repair difficulty. Hunker may earn compensation through affiliate links in this story. 5 Common Causes a Smoking Leaf Blower Cylinder Issues. If your engine only runs for a few seconds and then shuts off, you could have a gummed-up carburetor. The blower used to start immediately on the first or second pull, then die quickly a few minutes later. A vent on the gas cap allows those heated gases to escape, which prevents the fuel inside the tank and in the fuel system from overheating. For a list of more parts and to better identify the problem with your blower, follow our repair guide. The same results, the unit completely died after 5 minutes. It starts fine and runs well for about 15 minutes or so, then it bogs down. Subsequent pulls of the starter cord had no signs of life. Then choke to normal, it will run for a second then die. No sputtering just keeps slowing down till engine shuts off. Then it started supttering, and would only run on half choke. Wondering if maybe the can I used was bad or something and clogged something up in the fuel lines that I can't seem to find. Viewed 5k times 2. ... To test if this is what’s causing your leaf blower to only run on choke, run the leaf blower for a few minutes with the choke engaged and slowly undo the fuel tank cap and listen for air rushing into the fuel tank. If the carburetor is clogged, try cleaning it with carburetor cleaner. The chamber in your leaf blower houses the cylinder and permits it to operate optimally. The air filter may be clogged or dirty. The plug is dry. I was having problems with my leaf blower. I can disassemble this thing with my eyes closed in less than 5 minutes. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. This sticky fuel can clog up the carburetor and cause the engine to stall. Remove, disassemble and clean the carburetor. If the air filter is clogged, replace it. Leaf Blower - starts fine, loses power after 3-4 min. Shipping all 7 days! As the engine starts moving, the internal temperatures also start rising. Forums. Hey folks, I was hoping you could help me. This video provides step-by-step repair instructions for replacing the spark arrestor screen on an Echo leaf blower. The carburetor might be clogged. 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