Question about ECHO, Inc. PB-251C Handheld Blower

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Can't get my Echo PB251 Blower to rev up at all, unit is 8 mo.s old was running fine now all of a sudden won't rev up, I have changed plug gas filter,cleaned all filters including spark arrestor changed fuel, still wont accelerate loike it use to. What else can be done I have checked all fuel lines too. I have changed fuel, cleaned out carb. still have a problem

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Guarantee exhaust is clogged maybe not muffler but exhaust port pull muffler off check screen and muffler then look into exhaust port usually rectangular port is closed down with carbon pull starter slowly to lower piston then scrape out carbon with screwdriver clean as good as possible then blow cylinder out make sure to get all pieces of carbon out reassemble should run fine

Posted on Jun 14, 2012

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Why does this happen to several gas blowers? I have 3 blowers hand held and back packed that after awhile they will not accelerate to high speed.

thanks frank

Posted on Jun 15, 2009

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I have a PB251 Echo blower that won't start. I have a good spark Good compression and clean new gas is getting to cylinder because i have a wet spark plug when i removed it ,yet it won't even...


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I have an echo gas powered leaf blower, model pb251. it will start and idol, but wont run any faster than that, and throttle cable seems to be ok.


I just fixed my Echo PB 2100 with the same issue. It would start, run, all throttle openings OK but would not rev-up. It was a dirty/clogged screen on the muffler. Scraped the thick tar off then used Lacquer Thinner to soak it clean. Blower works better than ever now....

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