weed eater only runs on choke

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  #1  
Old 05-01-07, 08:10 PM
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weed eater only runs on choke

i have two craftmans 17in weedwakers. one of them will only run on choke, and when i move the choke to run, it idles up and then dies. the other one will run inbetween choke and half choke, and runs pretty high rpm but not maxed out, but if i switch it to run it idles higher and dies just like the other one. i have tore both carberators apart and cleaned them well, but same thing, well first they wouldnt start at all, so i took them apart and cleaned them, now i have this problem, so one told me to check the gasket on the carb, said it sounded like a air leak, sucking air in the intake between the carb and motor. any sugestions. need any more information, just ask i will see what i can do,
PLEASE HELP!!!!!!!!!!!
 
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  #2  
Old 05-01-07, 09:02 PM
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It does sound like a fuel problem. Are the fuel lines in good shape? Cracks in the primer bulb? You may have to install a kit in the carbs.
 
  #3  
Old 05-02-07, 09:05 PM
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no, the fuel lines and primer button looks good, the weedwakers are in really good shape. i know a lot about automobiles, but dont know much about small engines. But when i took the carbs apart, everything looked good besides some old gummy gas. so why would i have to get a carb kit, where could i get one? thanks
 
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Old 05-02-07, 10:37 PM
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You may not need a kit...you'll have to check the diaphragms to see. If they are a bit stiff and/or distorted, then they need to be changed. When you cleaned the carbs, did you spray carb cleaner through all passages? I also suggest using a rubber-tipped air blower on an air hose to blow air through the passages. If these don't have removeable mixture screws, then there's a good chance that's where the blockage is and you'll want to try to clear out that circuit well. If they are removeable/adjustable, Pull them out and blow through the carb where they go. Sometimes just backing out these screws with the engine running is enough to break loose the crud and let it get sucked through so it can be adjusted back properly.
 
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