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Primer bulb does not fill with gas - Homelite Mighty Lite Lawn Trimmer

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Check the primer bulb for cracks,it will not pump gas if it is torn or cracked. Then check line from bulb to gas tank to see if there connected or are broken.

Posted on Jun 17, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: weed eater featherlite primer bulb won't fill with


From your Description and Depending on the OEM (Zama or Walbro) of the Carburetor it Sounds like a Bad Fuel Filter or the Primer Check Valve has Stuck and the Carburetor Requires Soaking and Cleaning.
>>You can View a Breakdown/IPL of the Mower at this Site Addy, and Select Order Parts and Accessories. On this Page Select Illustrated Parts List from the Menu on the Left. Now Select the Manufacturer (Poulan/Weed Eater) and Enter the Model Numbers in the Boxes at the Lower Left of the Page.
I Require the OEM (Walbro, Zama, ect) and the Model Numbers Off the Carburetor. With these I can Locate a Breakdown of the Carburetor and Better Assist you.
Please, Do Not Hesitate, If 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


jbridger (John)

Posted on May 11, 2009

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SOURCE: I have a Homelite UT2004A. IT will run for a few

Check your fuel filter in the fuel tank,if you have one.
If the mower/weedeater is over a year old, then I recommend that you buy
and install a new carburetor repair kit,because the diaphragm will get hard
and that will cause it to be hard to crank.
Sounds like you will need to clean the carburetor or replace your carburetor
internal rubber parts like the diaphgram and O rings.
Be sure to use compressed air to blow out all the fuel and air passages.
Be careful when blowing out the passages, because there are sometimes small
rubber type seats in the bottom of some of the passages.
Sometimes you can get by with priming the carburetor or using starting fluid
and letting it run a few times like that and it will flush the gunk out of
the jets,but most of the time you will need to rebuild the carburetor.
Keep in mind that the float for the carburetor must be level when you go to
reassemble the carburetor or follow the instructions you get with the
carburetor kit.
When you clean your carburetor and remove the jet screws, you will first need
to lightly seat the jet screws.
But before you lightly seat the jet screws count the number of turns it takes
to seat the jet screws from their original position.
Be sure to mark the turns down on a piece of paper.
That way when you put the jets back in, you know to lightly seat them first
and then turn them back out to their orginal position before you started.
This is a FREE answer,Please rate me

Posted on Dec 05, 2010

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SOURCE: i change fuel lines. when i push the primer bulb,

You need to make sure the fuel lines are hooked up properly. This is a common error when replacing fuel lines. Not knowing what model equipment you have I will take a stab at the routing. One line goes into the tank with a filter and the other end hooks to the carb. fitting closest to the fuel pump side of the carburetor. One line goes from the "out" of the primer and is a return line straight to the tank. One line goes from the "in" of the primer and hooks to the other fitting on the carburetor. If any of these lines are interchanged, you will not get the proper prime. Hope this helps.

Posted on Feb 21, 2011

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My pro 200vs want start. Cleaned it out last time and ran good. Then I put gas in it and want run. I see the gas bulb is not filling up..i took out gas filter and blew. Gas out..still not getting bulb full...

check your primer bulb for cracks or try tightening down the metal plate that that secures the primer bulb to the carburetor. Double check your gas hoses for breaks

If you need further help, I’m available over the phone at

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1 Answer

The primer bulb doesn't fill with gas

sounds like you hasve a cracked fuel line or a cracked primer bulb. that is why it cant prime.

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does it have a small hole in it or split check gas lines also

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Stihl chainsaw primer bulb will not fill. Runs but will not idel

The first thing I would check is the gas lines and the primar bulb itself as ethanol in the gas will ruinthe rubber parts in about 6-12 months. If they are still pliable then remove the primar bulb and blow carb cleaner through the passages, you may also have a problem with the low speed jet in the carb causing it to not idle. Good luck

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try switching the tubes on the back of the primer bulb

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look for a cracked fuel line or a split in the primer bulb

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Poulan 2150 gas chain saw. How do I connect new primer bulb to carb and gas tank?

Make sure the tank is filled with fresh fuel mix.Try hooking the line that goes to the tank to one of the two primer ports and operate the bulb. If it does not pull fuel in, reverse the connection to the primer and try the bulb again. Once you get fuel into the bulb, move the tank line to the other port. Install a line from the open port on the primer to the open port on the carburetor. Try the primer bulb again, it should pull new fuel from the carburetor if the two connections at the carburetor have not been reversed. This is a kind of 'hit or miss' business when connecting fuel lines that involve the primer bulb. Nothing seems to be marked on the involved parts. Hope this helps

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Vapor lock

The tank vent is a bronze plug inserted into the tank casting--the caps are not intended to vent. Check the fuel filter for plugging and the condition of the fuel lines and primer bulb. You should be able to fill the bulb with fuel after several pushes of the primer bulb. Have the fuel lines been changed? Hope this helps!

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1 Answer

Primer bulb won't re-fill.

Not sure about your particular set-up, but there is usually two fuel lines running from the fuel tank. One goes to the carb and the other goes on a fitting on back of the primer bulb. The primer bulb will have a second fitting with a line going to carb. Sounds like either a clogged or leaking fuel line to me. Hope this helps and good luck.

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