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Echo pb 250 will start but requires constant jockeying of the choke to keep it running

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Carburator needs to be adjusted. Had to take mine to the shop but was still under warranty. Thats exactly what happened to mine with only 6 months of use!

Posted on Jan 26, 2011

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Echo pb-250 starts but willnot stay runing


turn low speed screw on cab out 1turn when it stars adjust it to get best power

Jul 22, 2014 | Echo PB 250 LN Handheld Bower

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My pb413T want to run only on choke


Its a lean condition... Its not getting enough fuel. Check fuel filter and fuel lines, be sure to use fresh fuel then either adjust the carb or rebuild it.

Jul 12, 2014 | Echo Pb - 413t Backpack Blower

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I have an Echo PB-500T blower that won't throttle up. I bought this blower new about 3 months ago. Before this blower I had an exact same blower that gave me the same problem. I returned that blower...


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.

Oct 02, 2011 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

Blower will not run at high speed,will start but must constantly choke to keep running. Appears to have fuel from tank to carb. Have dismantled carb and blown out.


Look for a very small black plug on carburetor,if you look at priming bulb it is thru the opening on metal plate that is closer to gas tank.Once you locate it remove with a sharp awl , heavy paper clip sharpened and bent like a hook or a very sharp small screw to pull it out.There is a small screw under it,Start engine and rotate it counter clock wise 1/4 turn or less at a time while accelerating once you get a smooth high acceleration you have finished.You do not need to replace plug,would suggest going to your nearest lawn service place to purchase fuel stabilizer and additive to resolve future ethanol problems.

Aug 30, 2011 | ECHO, Inc. PB-251C Handheld Blower

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Only runs upside down. When right side up it acts like it runs out of gas


Sounds like fuel line problem. Empty fuel tank,remove black fuel line grommet,check for line break or disconnection.If line is broken , purchase fuel line kit with grommet as a set if lines or grommet are deteriorated.

Aug 29, 2011 | Echo Gas Blower 135 MPH390 CFM Blower...

1 Answer

I have a model PB-250. It will idle (Rough) Start right up, but when I set the choke to run it surges and dies. Emptied fuel mix and put in new 89 octane and new echo mix and still have same ploblem?


Hi and welcome to FixYa, I am Kelly.

Your parts manual is here:
http://www.echo-usa.com/pdf/documentation/PB251e_P06113_122910.pdf

First off check all the fuel lines:
Items 6 and 7 of the manual on pages 4 and 5. Look for any cracks in the lines.
Also inpsect item 9 (Fuel filter) for clogs inside the gas tank.

Next inspect item 13 (Primer bulb) on page 10 for pin holes. (Highest probable failure)

Lastly the diaphragm Item 34 page 10 for tears or pin holes.
These are the 3 most common reasons that cause the symptom your having.
There is a repair kit (Item 19) to rebuild this carb but does not include item 13
13
12538108660 1 BULB, PURGE Make sure you change the Bulb if you do a rebuild.

With a little investment in time and a good eye you can resolve this.

Thanks for choosing FixYa,
Kelly

Feb 07, 2011 | ECHO, Inc. PB-251C Handheld Blower

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

Echo pb-413 leaf blower not running properly


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-

Mar 23, 2009 | Garden

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