I’m lost at what to do next. Aug 21, 2011 #1 I'm tired of cussing this thing. It has a new carburetor,plug,fuel lines, and air filter. Once started, it would run fine for 5-10 min … Has a good blue spark. 4x15mph Forum Newbie. Jump to Latest Follow 1 - 13 of 13 Posts. Next Last. If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. Make sure the tank has enough gas, turn the switch to on. I have had a couple of these same blowers come in with the same scenario. Echo PB-251 Blower Won't start. When I first started troubleshooting, it was extremely hard to pull. J. jcbabb LawnSite Member. Go. Squeeze the trigger and pull again, it should start, give it a few seconds then move the choke to run. Now several weeks later, with new gasoline mixture, the blower won't start even with 30 pulls. It will leave a sticky residue which prevents the engine from starting. Any help is appreciated. You’ll need to drain all the fuel from the system. I just bought a new "quiet" Echo model PB-251 hand held blower. I used new gasoline and the Echo oil. Has 120 psi compression. Please keep in mind that this article is for the Echo PB-413h leaf blower with serial numbers P09512001001-P09512999999.If your Echo PB-413 has a different serial number, please refer to the reference section found at the bottom of the oTroubleshooting and Fixing Solutions for My Echo PB-413H backpack Leaf Blower article. Save Share. Jun 19, 2014 #1 I am trying to get my Echo PB-251 leaf blower running after it quit on me this past weekend. It was hard to start, but eventually it did. Joined Jun 19, 2014 Threads 1 Messages 2. Unit will start with difficulty with choke active, but will stop when switched to run. Backpack blower was running last fall (although wide open throttle was rough). I was wrong. Use full choke to begin with, push the primer 3 times, squeeze the trigger,(gas,throttle), pull the starter rope, if or when it fires,(tries to start) move the choke to the center position. I have a echo blower that will not start and am now clueless. I am having issues with my Echo PB-500H leaf blower. Every pull was very tough and sort of "thunked" every time I … Could not get it started this spring - not even a burp. Hello. Echo leaf blower won't start. I have also confirmed ignition system is functioning with inline spark tester. It took about 15- 20 pulls to start out of the box. I have an Echo PB-403 that I picked up from a guy for nearly free since it didn't run and I thought it would be no big deal to get it up and running. I am so frustrated. I did not take it back because I thought I probably flooded the engine. Echo PB251 Blower won't start. The blower will not even pop. The key is integrated into the flywheel. Reply. They had a sheared or partially sheared flywheel key. 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