Question about Craftsman 25cc Gas Line Trimmer

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Weedwacker won't start

1.Recently it had become very difficult to keep unit running under normal speed. If throttle max'd out weedwacker (WW) would stay running.
2. Then symptom changed to impossible to start at all. WW would start up, and then die out in about 10-15 sec. It seemed like it wanted to run but couldn't;.
3. Pulled off fuel tank and inspected feed tubing. Found fuel filter laying loose in tank, and feed line? (small dia tubing) was sliced in half lengthwise.
4. Replaced both fuel lines (and fuel filter), and now unit will not start at all!
5. Replaced spark plug
6. *When checking to see if new fuel lines were bringing fuel to the carb, noticed both lines had pressure. Both lines were supplying fuel at the same time. I thought one was a fuel pressure line, and the other was a return line....but both have fuel going to carb.

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Is there an air lock in the line. Remove the lines and insert only one at a time and see if one will take fuel and the other none? Also, check carb float to make sure its not stuck open intaking fuel constantly flooding bowl

Posted on May 31, 2010

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Posted on Jan 02, 2017

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