Question about Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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Poulan 2150 will not start

The spark plug looks ok. I have tried starting fluid and it doesn't do it. This seems to have some solid state stuff for spark creation it looks ok. It has been getting more difficult to start over time until now when it won't run at all. There is gas in it.

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Take the muffler off and look inside.there is probbaly score marks on the piston.if there are the unit will need a piston and cylinder.starting fluid does nothing but burn pistons up,it drys the cylinder out so it has no lubercation

Posted on Feb 24, 2009

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Get a can of Nulon starter fluid and spray in the carby or a bit down the plug hole,it,s probably dried out.the Nulon is called Start you ?????.The spark appears weak on those machines ,that's normal.

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What is theair gap setting poulan 2150 2.1c i

.025" or .6MM is the spark plug gap I assume air gap is what you were referring to is spark plug?

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Poulan 2150 chain saw starts and dies after 5 seconds or so then wont start

Try a few easy things first, hook the fuel hose out of the fuel tank through the filler hole and replace the filter on the end, follow the fuel hoses up to the carb and check foe any signs of fuel leakage, replace the affending hose if cracked.

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Poulan 2150 saw will not start.

Many saws today have a alluminium key moulded into the flywheel, if the key has sheared the timing will be out and it will never start, remove the flywheel and check the key.

Jun 05, 2012 | Poulan Garden

1 Answer

My plug is firing and i even tried starting fluid my poulan (craftsman) will not start HELP MOD.358.360180

The first thing you need to look at is the inside of the cylinder.Take the spark out and look down the hole.You will need a flashlight.Look towards the muffler side.If you see scratches.Its blowed up.If thats ok it could have an air leak some where.Or possibly a bad fuel line,or fuel filter.

Mar 14, 2011 | Poulan Garden

1 Answer

Seems to flood easily. turn choke on pull rope 1 time then set half choke and still have to pull rope 30 to 50 times to start also seems to be running lean even though ive adjusted carb several times,...

Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other problems. Be sure that you have fresh fuel mix in the tank. Check the quality of the spark at the plug--it should be blue and snappy (plug gapped 0.020"). If weak looking, try a fresh plug first--if no help, remove the left engine case to expose the flywheel and ignition module. Turn the flywheel magnets just under the module poles, insert a thin business card into the pole gaps, loosen the module screws to allow the module poles to contact the magnets. Tighten the screws, and rotate the flywheel slightly to remove the card. Rotate the flywheel one full turn to make sure the gaps don't close up further. Reassemble and test for spark again. If ok, try for running the engine. Be sure the engine 4-strokes when running unloaded, but immediately 2-strokes when cutting by adjusting the H jet needle. Hope this helps!

Nov 07, 2010 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

Poulan 2150 very hard to pull start..first time this season trying to start...seems like too much compression...pulls nice and easy with spark plug removed..with the spk plug in...very hard to pull..still...

If fuel leaked into the engine over the winter, it could cause very hard-to-pull problems. Remove the plug, ignition off, with the cylinder/head down, pull it through vigorously to see if expels any fuel. Replace last year's fuel with fresh fuel mix. It's a good idea to allow the engine to run out of fuel before storage. Does this engine have a compression release? If so, it may need cleaning to work properly. Hope this helps!

Apr 20, 2010 | Garden

1 Answer

I have poulan 2150. it will not start.get gas and spark.

Has it been sitting around for a while not being used ?
If so I would dump the fuel out into an appropriate container and fill saw up with a fresh mix of fuel. I also ALWAYS put in about a cap full of SEA FOAM.
Make sure spark is nice bright blue, if not install a new plug.
Now pull on the choke, pull it once or twice, and shut off the choke.
Now does it start ?
If that does not start, I would pull the spark plug, drip a little fuel mix in, put plug back in torqued to mfg. specs. and see if it fires now ?
Please let me know what happens.

Feb 06, 2010 | Garden

1 Answer

I have a poulan 2150, won't stay running, why?

Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
Chain Saws:
5) check impulse tube and intake boot for cracks or leaks
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
6) replace gaskets/diaphragms
a) use a spray carb cleaner to clean jets, holes, and body of carb
b) fuel pump diaphragm goes against the carb body,
then the gasket towards the outside
c) metering gasket goes against the carb body,
and the diaphragm goes towards the outside

Basics to check:
1) Spark plug - brown or dark brown - OK
a) is it carbon or fuel fouled (black and carbon deposits)
b) is there spark

2) Muffler remove for inspection
a) exhaust screen clean or plugged
b) inspect cylinder wall/piston as the flywheel is slowly rotated
3) Check cylinder compression

Nov 13, 2009 | Poulan Garden

2 Answers

Poulan 2150 cainsaw will not start .replaced spark plug ,

I suspect your ignition module is bad try this.

Ignition Coil Test
You may need to use a jumper wire between the threaded part of the plug and the cooling fins. There is no need to bend the electrode. HTH
It may be flooded too. You shouldn't need to choke it for more than 2-3 pulls.
Husky (cold):
1, Ignition on/off to on
2. Pull (close) choke (also sets fat idle); pull starter and listen for an attempt to start. once heard (usually twice)
3. Push (open) choke (fast idle maintained) pull starter until it starts. Usually first pull)
1., 2. (without pulling starter), 3..
Hope this helps

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