Question about Poulan Pro Chain Saw 46cc 20"

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Chainsaw runs, but dies when given gas.

My chainsaw will start just fine, but when I give it the gas it dies. Please give me some advise as to what it might be. The chainsaw only been used 4 time and for very short times at that.

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  • aries957 Dec 31, 2008


    I have the same problem with a 260 polan 42 cc she was starting good but a soon that I pull the trigger she died

    I checked a the hoses very closely with a magnifying glass and found crack in the hoses witch was sucking air instead of fuel

    In cheeked the gasket between the engine and the carb and found crack in the gasket same thing as the hoses sucking more air than fuel.

    So replace the hoses and a knew gasket once started she still running, jus bit of adjustment and there u are on the go

    I hope it will help you, my English is not very good.

    Bonne chance


  • Anonymous Mar 31, 2014

    the chainsaw starts and runs fine but dies when you give it power


3 Answers

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Adjust the gas and air on the two little screws on the carborator

Posted on Dec 31, 2008

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Check the fuel line for cracks. That is usually the problem. Plastic fuel lines crack with age and need to be replaced. I have had a couple of Craftsman Saws (made by Polan do the same thing).
Fuel line can usually be purchased at a hardware store or saw shop. Takie a piece of the old line with you to get the right size.

Posted on Jan 07, 2009

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I'm only familiar with stihl saws. On these there are three screws labelled H,L, and LA. Check your owners manual as like picatudo suggested, the factory settings of the H and L screws may need adjusting.
Another way to check for leaks is spray carb cleaner over the cylinder head while running the saw. If the rev's change it's sucking in the carb cleaner and the cylinder head gasket may be leaking.

Posted on Jan 02, 2009

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Posted on Jan 02, 2017

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1 Answer

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My chainsaw was erratic. Sometimes it started and ran just fine and at other times it just refused to start or died as I raised it to cut a limb. What I finally realized is that chainsaws are different than other 2 cycles engine devices - they have to work at many different angles (including straight up). For that reason, the fuel filter that is in the gas tank is weighted to keep it at the bottom of the gas tank as you raise and/or lower the chainsaw.
On my Mccullough, the gas line broke right at the weighted filter, allowing the gas line to flop around. That's why it was erratic and died when I raised it to cut a limb. So, if you have erratic operation, take a minute to check your gas filter and be sure it's still attached to the gas line......

on Jan 16, 2017 | Miscellaneous

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pull your muffler off and see if it revs up, if it does then your spark aresster screen or muffler is plugged, from carbon or mud dobber hornets

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