Poulan runs for seconds and quits

purplewgFebruary 24, 2010

I have 220 Pro that starts right up and runs for about 2 seconds and stops. Push the primer, pull the choke and it does this over and over. I have removed the carb and cleaned and blew it out with the compressor but something isn't getting cleared. Any ideas?

Seems the primer can push enough fuel in to get it started but carb doesn't stay primed.

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glenam

I had this happen recently on a 2150. Even though the fuel lines looked good, supple, etc. I just put in all new 3 fuel lines. problem solved.
worked for me, you might another problem.
thanks,

    Bookmark   February 24, 2010 at 6:09PM
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purplewg

Thanks for the info. The first thing I did was replace all the fuel lines as one cracked when I removed the carb. I just ordered a new carb for it last night. Hope that does it.

    Bookmark   February 25, 2010 at 6:36AM
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rcmoser

probably a diaphram/needle and seat problem, not pumping fuel or seat sticking and not letting any fuel through to the comb chamber. New carb. should fix it. go to warblo or zama.com (probably a zama carb. if it a new saw?) they have excellent troubleshoot guidelines along with rebuild procedures. It does fire after it shuts down and it will run off carb cleaner (by a short blast down the carb venturi after it quits right? this procedure will bypass the carb. and verify the ingition system/switch is working properly.

    Bookmark   February 26, 2010 at 9:13AM
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purplewg

Yes, if I pump the primer really hard it will start right back up, run a couple seconds and stop. If I don't pump the primer it won't restart. Sure sounds like a float issue but I cleaned the dang thing 3 times and checked the float and stuff. Oh well, I'm sure the new carb will fix it. I haven't had a lot of success with kits on these Walbro carbs. I have just started replacing them if the equipment is worth it.

It will run on starter fluid...

    Bookmark   February 26, 2010 at 9:27AM
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