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

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I have an echo pb251 leaf blower just cleaned and rebuilt carb still only runs for few seconds with choke on could the internal valve be sticking and what can i do to fix this

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Can't get my Echo PB251 Blower to rev up at all,

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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SOURCE: echo gas leaf blower bog down

Likely dirt in high speed needle valve(H); could be leaky fuel line(air leaking in), plugged fuel filter, pinched fuel line, etc - anything restricting flow of fuel. Likely, you aggravated an existing problem by cleaning the air filter which would have been providing some choke effect if it were partially plugged.

Posted on Sep 24, 2009

rycgl
  • 1545 Answers

SOURCE: I have a Echo leaf blower and I can get it running

The carburetor could be dirty and need a good cleaning and you could first remove the fuel pump cover (cover without the vent hole) to the carburetor and look for the small, round, fine-mesh screen. Sometimes it gets covered with dirt and debris and has to be cleaned as it allows the fuel to flow into the metering side of the carburetor.

Posted on Dec 06, 2010

2strokeJim
  • 577 Answers

SOURCE: I have a new echo

sounds like a dirty carb, dissamble it and rinse good with carb clean, be careful when taking the top off it that you get it back together the same spray the white center good and all little holes good. then reassemble, also try to loosen your gas cap maybe first before cleaning carb, you might have a plugged vent in the line coming out of the tank. Good Luck

Posted on Apr 05, 2011

  • 640 Answers

SOURCE: I have a PB251 Echo blower that won't start. I

I suggest cleaning the carburetor and replacing the diaphrams. The diaphrams come with a rebuild kit that has a lot of unused parts.

Posted on Aug 31, 2011

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I have a blower/vac made by McCulloch that won't start! I tore the carb apart & cleaned it! Got it started but w n rev up! Turned I&H screws all t w in & bk out now won't start! help!


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I have a echo pb251 gas blower,stop running,has spark,rebuildt carb.fuel filter,after no start,plug is wet & sparks but wont hit/start


screw air mix screws in the out like a half turn each, one controls the high end speed and one controls the idle, do idle first and adjust just a little rich then do high speed screw.

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Where is the flywheel located on an Echo PB251 gas leaf blower?


Before you go through the trouble of dismantling the blower to get to the flywheel you should perform a compression test. 140 psi is ideal. Less than 100 its probably not worth repairing. Less than 90 it shouldn't run.

Jul 13, 2014 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

Echo pb-251 won't run with out choke


I would say that Daren is on the best track here for repair. Myself i agree with the fact that your carb has some sort of blockage. Start with a good carb cleaning. Good Luck....

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Echo pb251 blower wont start


remove the muffler and try it carbon plugs up the screen inside if runs good with out the muffler open the muffler and clean the screen

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1 Answer

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...


I suggest cleaning the carburetor and replacing the diaphrams. The diaphrams come with a rebuild kit that has a lot of unused parts.

Aug 31, 2011 | Echo Garden

1 Answer

I have a new echo PB250 Leaf blower and it will not keep running. It starts fine but shuts off after a few seconds.


sounds like a dirty carb, dissamble it and rinse good with carb clean, be careful when taking the top off it that you get it back together the same spray the white center good and all little holes good. then reassemble, also try to loosen your gas cap maybe first before cleaning carb, you might have a plugged vent in the line coming out of the tank. Good Luck

Apr 02, 2011 | Echo Gas Blower 162 MPH 450 CFM Blower...

1 Answer

I have a PB251 that I purchased from Home Depot as a refurbished unit. It has new plug, carb and all new filters. PB251 runs fine with a full tank, but when down to a half of a tank it stalls out and won't...


its possible the gas pickup tube inside the tank is bent and not reaching the lower tank,this is just a flexible tube in the tank,otherwise,loosen the gas cap when it kills,sometimes they go bad and create a vapor lock

Mar 13, 2010 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

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....

Apr 02, 2009 | ECHO, Inc. PB-251C Handheld Blower

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