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Vince O.
Vince O., Small Engine Technician
Category: Small Engine
Satisfied Customers: 2449
Experience:  Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers
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My Poulan saw will run while cold but not while hot. It quits

Customer Question

My Poulan saw will run while cold but not while hot. It quits after running for a few minutes and can't be restarted until it cools. A carb kit was installed and fuel and spark checked. What could it be?
Submitted: 4 years ago.
Category: Small Engine
Expert:  Vince O. replied 4 years ago.
Hello,did you check for spark as soon as it quit and didn't restart?
Customer: replied 4 years ago.
<p>No. I didn't check for spark as soon as it quit.</p><p>LATER: I took off black plastic cover and started it. It ran and ran. Didn't seem to want to quit. Finally did quit and spark was good. It then restarted and ran OK. I'll try again later.</p>
Expert:  Vince O. replied 4 years ago.
Sometimes the wire going to the switch isn't routed properly and gets pinched when they put the engine cover on and would short out .
Customer: replied 4 years ago.
The wire seems OK. I'll leave the cover off next time to be sure.
Expert:  Vince O. replied 4 years ago.
OK
Customer: replied 4 years ago.

You were correct about the spark quitting when it gets hot.

The wire seems OK. Would you suspect the coil or switch or what?

Is it worth while to replace coil or switch?

Expert:  Vince O. replied 4 years ago.
It's the ignition module. What is the model and type number? It will say "type-1" after the serial number.
Customer: replied 4 years ago.

I don't see the type.

It's a Poulan Woodsman 2150.

Eng. Family: TPWO42ub24RA:EM

Eng. Disp. 36cc

Expert:  Vince O. replied 4 years ago.

The part number isNNN-NN-NNNNand can be purchased from a Poulan dealer or http://www.searspartsdirect.com/ see link 2150

Vince O., Small Engine Technician
Category: Small Engine
Satisfied Customers: 2449
Experience: Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers
Vince O. and 3 other Small Engine Specialists are ready to help you
Expert:  Vince O. replied 4 years ago.
I forgot to mention 1 thing,setting the air gap between flywheel magnet and the new module.Before you tighten the module insert a 0.10 feeler gauge or match pack cover in front of the module and then turn the flywheel until the magnets draw the module to it and tighten module and remove gauge.You don't want them to hit .
Customer: replied 4 years ago.
I installed the new ignition module and the saw still refuses to run while hot.
Expert:  Vince O. replied 4 years ago.
Does it quit running or won't restart if shut off?
Customer: replied 4 years ago.
It dies after cutting a couple of small logs and won't restart.

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Vince O.
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Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers