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I have an echo pb 413 blower that I bought from home depot about 4 years ago. It starts ok and will go to full throttle but after a few seconds of running the rpm will slow down. Sometimes the motor will die but if I reduce the throttle and then pus back open it will run for a while more. Then it repeats. I have a hard time finding alcohol free gas where I live. Is the gas the issue.

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  • Expert
  • 278 Answers

Replace the fuel filter. The fuel on it varnisized(gummed up). I had a similar issue with my trimmer.

Posted on Oct 29, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

  • 403 Answers

SOURCE: Echo backpack blower stops after 20 minutes

Make sure the fuel tank cap inlet valve is working properly, this will allow a vapor lock if it is not. Then check the fuel line in tank to make sure the pickup filter is not hung up in tank thereby allowing the fuel to get below the pickup. Also check the fuel line for holes. You can also try toro.com customer care, manuals and parts, type in model no. then get owners manual and see if in troubleshooting section it list this problem.

Posted on Apr 06, 2009

slohry
  • 87 Answers

SOURCE: Echo PB 2100 Leaf Blower will not speed up

Remove the muffler and clean the exhaust port, spark arrestor screen and muffler intake.

Posted on Apr 09, 2009

  • 246 Answers

SOURCE: Echo PB413H running rough

Hello:

From your Description it Sounds like the Exhaust is Restricted or the "H" Mixture Screw Resuires Adjusting.
>>The Following is a Basic Instruction File for Doing a Diagnostic on the Engine for this Problem. Any Input is Appreciated.
>>**Remove the Muffler and Make Sure the Exhaust Port is Clear.
>>If it is, then Try to Start the engine with the Muffler Off.
>>If it Starts and Runs Properly, then Clean the Spark Arrestor Screen in the Muffler or Replace the Muffler if Required.
>>The Following is the Instruction File for Setting the Air Mixture Screws. Any Input is Appreciated. The Procedure is the Same for 1 or 2 Mixture Screws, Just Use the Instruction File and Skip Over the Section with the Missing Mixture Screw ( Usually the H Mixture Screw).
>>Now Setting the Air Mixture Screws:
>>****Turn the Idle Air (L) and Main Air (H) Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Set the Throttle Full Open, Start the Engine.
>>Turn the Main Air (H) Mixture Screw Clockwise Until Proper Revs are Obtained. **Carefully Use your Finger and Move the Governor Arm to Rev the Engine (on Chainsaws and Trimmers Use the Trigger to Rev the Engine) Until you Reach Max RPMs (on Chainsaws and Trimmers, the RPMs are Not Set to MAX. Set to Max and then Reverse the Setting Screw 1/4 or 1/2 Turn. If the H Mixture Screw is Set too High; the Engine will be Starved for the Oil in the Gas and Damage the Piston and Jug/Cylinder) and the Engine is Running Proper at Full Throttle Up a Grade and for Chainsaws and Trimmers they Do Not Bog DOwn Under a Load. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs.**
>>Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required.
>>Now Set the Idle Air (L) Mixture Screw so there is No Hesitation when Rapidly Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****
Please, Do Not Hesitate, If I Missed Something or you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

Posted on May 15, 2009

  • 1 Answer

SOURCE: Echo PB-413H bogs down

Echo tools have a screen in the muffler to arrest sparks. Take off the muffler and remove this screen

Posted on Aug 12, 2009

  • 1 Answer

SOURCE: craftsman gas leafblower

I just worked on my craftsman leaf blower that would only run at half choke. I tried cleaning the carb and also cleaned the exhaust port. Didn't help. Then i took the cover off and noticed that one of the head gasket bolts was loose. Tightened the head gasket bolts and then it ran fine. Must have been sucking some air.

Posted on Aug 01, 2010

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Remove the in tank fuel filter and take it apart, the felt Echo uses on the filter clogs quickly. There is still a mesh screen filter in the assembly so make sure you put it all back together and reinstall the fuel filter into the tank.

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Most likely there's a problem with fuel supply - choking cuts air supply optimizing the air/fuel mix. Most common solution is to check and clean the carburetor.

If there's a tiny fuel filter in the fuel line between tank and carburetor check it on excessive pollution. Replace it when necessary.

When opening the blower for carburetor cleaning - also check the airfilter and replace when dirty.

If never opened the blower - take pictures with a digital camera at each step. The pictures can help with assembly after cleaning.

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what you need to do is remove the white plastic plug just above the diaphram gskt in the base of the carb use a pick or drill bit (but only turn it by hand) till you get it out then you will see a screw which will take a small flat blade screwdriver, start and warm up the blower then turn that screw counterclockwise till your Blower runs right on full throttle. the new equipment made now a days is set so lean for emissions that one change in the weather will affect how they run..... 2StrokeJim

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Hi, there is a wire screen in the exhaust outlet that blocks up with carbon deposits. It can be removed and cleaned with a wire brush. If blocked it will give you the problem you have and also make the blower quieter than it should be. Regards Phil.

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Hope this was helpfull.

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

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Proper gasoline and oil mix ratio.


My echo uses 50-1 ration. Home Depot sells the small containers for Echo Leaf Blowers that you mix with one gallon of gas.

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2 Answers

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It doesn't appear to be getting enough fuel. Unscrew the "L" and"H" screws about an 1/8 to 1/4 turn. Also at the end of the season run it completely out of gas and you shouldn't have anymore carb problems.

Please rate if this helps-

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