Question about Echo Gas Blower 135 MPH390 CFM Blower PB250

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My Echo gas blower runs for about 30 seconds and shuts off. I already cleaned the carb and changed the spark plug.

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: Echo Blower dies out when full throttle

Find the fuel air mixture screw located by the carb and turn it so the moter starts to slow down then turn it so the blower runs smoothly this should keep it from dying out

Posted on Nov 23, 2008

  • 31 Answers

SOURCE: I have an echo pb 265l leaf blower. It starts

If its a two cycle engine it sounds like its loading up on fuel.. Need to lean out the fuel on the carb. Not much or it will be to lean an stick the piston..

Posted on Sep 23, 2009

Dolfoff
  • 148 Answers

SOURCE: I have a Echo PB/251 Gas Blower which I recently

Check the muffler and/or spark arrestor screen in the muffler outlet pipe and also the engine's exhaust port behind the muffler. These are prone to carbon-clogging and the engine cannot "BREATHE" enough to reach full throttle. If all-clear in the muffler, go back in the carb and locate the inlet screen directly opposite of the inlet needle. Carefully pull it out with a pick and hold it up to a light source. If you cannot see thru it, replace it. This is another, (less) common area of obstruction.

Hope this helps,
Dolf-

Posted on Oct 18, 2009

  • 1 Answer

SOURCE: I have a Echo PB-260L Blower. It starts fine then

Check the exhaust port upstream from the muffler and make sure it is not restricted with carbon. Mine was less than half way covered over with carbon. Scraped out carbon, checked muffler and screen(ok), back-blow the fuel line harness including the fuel filter and fuel tank vent and took carb apart and blew out all passages, not replacing anything and now runs fine. Would not rev past high idle before. Be sure gas is FRESH and mixed at 40-50 to 1. Hope this helps.

Posted on Nov 12, 2010

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2 Answers

Echo PB 251 won't run. replaced plug, gas, fuel filter, air filter. took carb a part, and cleaned with carb cleaner, used the compressed cleaner to clean out venturis/ports.


Wow! with all you have done it should run. Be sure the switch is on but if you are getting spark, it should be on. I would take it to the echo place for service.

May 14, 2015 | Echo Garden

1 Answer

Hi, When I run the blower at full throttle it bogs down and shuts off. I feel like I need to adjust the HI LOW settings. Is this possible? Respectfully, Paul


I suggest change your filter in the tank if you haven't already then make sure you have a good spark plug , then try it again, try running w/choke part way on and see if it helps , if it does you need to clean your carb and don'tnt forget to check all fuel lines for cracks or broken,while you have carb apart don't forgrt to pull fuel inlet screen and back flush it and put it back in and also pull the needle and seat out and clean the orfice where needle goes and put back together, then if you still have the same problrm I would make sure your exhaust port is clean then you can adj your carb...there is only 1 setting on that carb, you have to pick the plastic(white) out and then the screw is under that just above where carb & diaphram split. Good Luck!!!

May 05, 2011 | Echo Gas Blower 135 MPH390 CFM Blower...

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

My echo leaf blower shuts down after a few minutes of operation, I have replaced fuel lines and Gas


I would also take the air filter element off and clean and reoil it. You may be pulling sufficient fuel, but if there isn't enough air in the mix, your leaf blower will stall out.
I would clean the air filter, and you may want to take the carb unit off and spray it out with aerosol carb cleaner. The carb cleaners are available at local auto parts houses, and it comes with a small spray tube to put on the nozzle so you can pinpoint the spray into the carb jets etc.

Also change your spark plug as they get fouled due to the fuel oil mixture..
best of success!

May 11, 2010 | Echo Garden

1 Answer

Echo shred n vac starts,idles, runs to about half power then bogs


Check the grommet that sits on top of tank where lines from go carb. Grommet may be rotten and crack. Try that. Have you ever replace the carb repair kit? The diaphram may be torn, defoam or have holes in them. Carb kit cost arount $10, but don't mess with the welch plug or screen in carb.

Feb 16, 2010 | ECHO, Inc. Shred n Vac

1 Answer

I have a Echo PB/251 Gas Blower which I recently starting having problems keeping it to run. I have to keep the choke on to let it stay at a fast idle. I have taken the carb apert along with all gas and...


Check the muffler and/or spark arrestor screen in the muffler outlet pipe and also the engine's exhaust port behind the muffler. These are prone to carbon-clogging and the engine cannot "BREATHE" enough to reach full throttle. If all-clear in the muffler, go back in the carb and locate the inlet screen directly opposite of the inlet needle. Carefully pull it out with a pick and hold it up to a light source. If you cannot see thru it, replace it. This is another, (less) common area of obstruction.

Hope this helps,
Dolf-

Oct 18, 2009 | ECHO, Inc. PB-251C Handheld Blower

2 Answers

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...


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

Jun 14, 2009 | ECHO, Inc. PB-251C Handheld Blower

2 Answers

Can't get my echo to rev up


Your carburetor needs cleaned, or you need a new carb. kit. If you need tips on how best to do this, let me know.

Jim

Jun 03, 2009 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

Leaf blower problems


You may have a dirty fuel filter, or carb needs cleaned.

Mar 19, 2009 | Craftsman Garden

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