Question about Craftsman 4 Cycle Blower/Vac

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My leaf blower runs at half choke but only for a little while. Move it to choke off and it dies

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This sounds like a fuel delivery problem. Check the fuel filter and also the carburetor bowl and main jet. Make sure the fuel lines and the carb are clear and clean.. Carb may need to be removed and cleaned....it's not picking up the fuel and delivering it to the engine. There may be some small debris that has entered the carb and is stopping the complete flow of fuel.

Posted on Jul 18, 2010

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I have exactly the same problem and found that there was a crack in the purge bulb. When I pushed on it, my finger covered the crack and fuel was sent fine. However, air kept getting sucked in and it would stall after a few seconds on 1/2-choke and immediately when no choke.

Posted on Sep 07, 2010

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Posted on Jan 02, 2017

#1 Taper
  • 1040 Answers

SOURCE: weedeater leaf blower FL1500

Check the fuel lines for cracks/breaks. If they are o.k., then:

Youwill need to disassemble the carburetor and spray withcarb.cleaner.Make sure the small screen is free of debris. (Should beable to see daylight through it.)

Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152),to clean the small portals in carb. These portals can become blocked. Reassemble and start.

If the carb. parts are more than 4 years old, you may have to replace them.

If you need further assistance on:
1. Fuel line replacement or
2. Carburetor kit replacement

Just let me know.

Jim

Posted on Nov 27, 2009

#1 Taper
  • 1040 Answers

SOURCE: Leaf blower will not run good. Only runs at full chike or half ch

If the trimmer is more than 3 to 4 years old, you may want to replace the carburetor parts, (new carb. kit). It also depend on the amount of use.
If it is newer than that, then you will need to disassemble the carb. and spray with carb. cleaner. Make sure that the small screen in the carb. is free of debris. Use a Den tek Brush,
(http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in carb. Reassemble and start.
If you need further assistance, just let me know.

Jim

Posted on Jun 12, 2009

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1 Answer

My husqvarna 125b leaf blower only runs on full choke. If I move it to half choke it dies. I've taken the carb out and cleaned it and that didn't help.


Sounds like the mixture is out - trial and error really or take to licensed repairer they will let you know if you need a new carb or whatever is stopping it from running normal :)
Good Luck!

May 05, 2017 | Husqvarna Garden

2 Answers

My fl1500le blower starts in full choke but dies as soon as i move it to half choke


Check the following, and then clean or replace:
  • Fuel Filter - Located INSIDE the fuel tank
  • Spark Plug
  • Spark Arrestor - at Muffler
  • Carburetor - May need a rebuild kit
Also watch this...

and this one as well...

Dec 10, 2013 | Weedeater 2 Speed Gas Blower FL1500LE ()

1 Answer

Won stay running


Needs a carb adjustment, cleaning, or possible rebuilt. Try adding a little seafoam and running at half choke for about 5 mins or longer this may clean it up nicely. also check the spark plug.

Nov 09, 2013 | Poulan WEEDEATER FEATHER LITE 1500 GAS...

1 Answer

My Weed Eater FL1500LE gas leaf blower will not run beyond the full choke setting. If I move the lever to half choke the engine will stop. Or if I move the throttle from full throttle to a lower speed...


This is a tell tale sign of a lean fuel mixture. By choking the unit you are manually creating a richer fuel mixture. I would purchase a compression tester from a local parts store and check compression. If that's ok, I'm willing to bet the problem is still carb related. Two stroke carbs are tricky to clean because of high/low ports that are one way and sometimes impossible to clean. Did you remove high and low needles when cleaning carb? Another trick is to mix seafoam with your gas, then mix two cycle oil to proper ratio. Use 2 ounces seafoam to one gallon of gas, then mix two cycle oil to proper mix. Hope this helps! Good luck and happy wrenching!

Sep 22, 2013 | Weed Eater Fl1500 Le Leaf Blowers

1 Answer

What is the starting procedure?


Start with the choke on full press the fuel siphon button till the lines are full of fuel. pull handle until it tries to start but stops. move the choke to half then start again. let it run for 60 seconds on full. don't move the choke to full or it will stop. Either slow the revs and then put the choke on full or keep the revs high and slowly move the choke to full (to allow the governor to slowly advance with the new revs)

Nov 03, 2012 | kawasaki Krb750b Backpack Leaf Blower

1 Answer

Runs good when choke is half way if move up or down it will shuth off also when you accelerated all the way up he died on you


Two things to check. One is that if it will only run with partial choke then there is a slight clog in the carb. Two is if it will not rev up then you should check to see if the muffler and exhaust port are plugged with carbon. The muffler can be "burned out" with a hand held torch. Often the muffler will have a spark arrestor screen in the end of it which can become clogged.

Aug 19, 2012 | McCulloch Carburetor 322410-01 Blower 280...

1 Answer

Weedeater leaf blower FL1500


Check the fuel lines for cracks/breaks. If they are o.k., then:

Youwill need to disassemble the carburetor and spray withcarb.cleaner.Make sure the small screen is free of debris. (Should beable to see daylight through it.)

Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152),to clean the small portals in carb. These portals can become blocked. Reassemble and start.

If the carb. parts are more than 4 years old, you may have to replace them.

If you need further assistance on:
1. Fuel line replacement or
2. Carburetor kit replacement

Just let me know.

Jim

Oct 19, 2009 | Garden

1 Answer

Leaf blower will not run good. Only runs at full chike or half ch


If the trimmer is more than 3 to 4 years old, you may want to replace the carburetor parts, (new carb. kit). It also depend on the amount of use.
If it is newer than that, then you will need to disassemble the carb. and spray with carb. cleaner. Make sure that the small screen in the carb. is free of debris. Use a Den tek Brush,
(http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in carb. Reassemble and start.
If you need further assistance, just let me know.

Jim

Jun 12, 2009 | Craftsman Garden

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