Question about Poulan PP4218AV 18" Chain Saw

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I have a Poulan PP4218A Pro.The problem I have when I try to throttle up the engine it wont throttle all the way up and the trigger does not release properly.

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Posted on Jan 02, 2017

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SOURCE: poulan 3400 chainsaw throttle trigger

Its a missing or broken spring in the handle(trigger). If you look inside the handle you should see a circular spring around the post of the trigger. This spring returns trigger to idle position. If its missing or broken the trigger won't spring back.

Posted on Oct 27, 2008

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SOURCE: chain wont stay on poulan pro pp4218a

Could be too much slack

Posted on Nov 04, 2016

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1 Answer

My 18 inch poulan chainsaw runs at full throttle


Check to see if the throttle lock is stuck on. If it is quickly squeeze then release the trigger to take the lock off. If the trigger will not spring back you have other problems with the linkage.

Sep 04, 2014 | Poulan Garden

1 Answer

Throttle connections on poulan pro 210 chainsaw


The precision bent throttle connecting rod can only go in one way CORRECTLY.... if it has to be forced or bent, stop and figure out the puzzle before any damage is done.

I'd suggest placing the carb temporarily on the mounting studs on the side of the cylinder. Don't install the filter and nuts etc yet. Take the throttle rod and lay it in place this way and that way until it looks like it matches the trigger end AND the carb end. Usually the carb end has to be installed on the carb while it is removed from the engine as tightness of space won't allow moving it all over to poke it in the hole. Once it is on the carb and you are sure of the orientation, slide the carb once again over the studs and lay the throttle rod by the trigger.

You need about three hands to hold the trigger, trigger lock, trigger return spring and the handle together while you figure out how to snap in the top of the handle and start a screw under the handle.

Jun 20, 2014 | Poulan Garden

1 Answer

2nd use of chainsaw pp3516avx, it won't start, choke lever will not stay extended. I followed the instructions to start and nothing works


The choke system is connected to the half throttle position, if you lift the throttle trigger the choke pull will automatically return, whilst trying to start do not lift the throttle trigger, the starting procedure is, pump the primer bulb as many times as it takes to 3/4 fill the bulb, pull the choke pull fully out, this will switch the saw on and engage the half throttle, crank the engine until it fires once, do not continue to pull,it will actually not run on full choke, if you do continue to crank with the choke fully out, you will very quickly flood the engine, now push the choke fully in, now crank the engine until it fires up, lift the throttle trigger once, this will dissengage the half throttle, and it should now come down to idle.

Mar 19, 2011 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

Saw is idling to high will not adjust down. What do I do.


Open the carburetor area cover and remove the air cleaner so that you can observe the throttle arm and the idle speed screw which stops throttle movement to set idle speed. If the throttle arm doesn't come back completely to the screw, then likely, the throttle trigger is jammed with sawdust/dirt that prevents the throttle arm from returning. Disassemble the trigger assembly making notes of part placement as you go. You will usually find a plug of sawdust in the trigger mechanism. Recheck the throttle arm motion after putting the trigger back together. You may have to advance the idle speed screw several turns CW to be able to keep the engine running when the throttle works correctly. Idle speed should be set so that the engine continues to run, but the chain doesn't try to turn. Hope this helps!

Jan 04, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

2 Answers

Trigger on poulan 3314 does not control speed. Saw runs at constant speed, somewhere above fast idle.


Open the cover over the air cleaner so that you can observe the action of the throttle cable and carburetor lever. Operate the throttle--normal action is lever wide open at full throttle and lever resting on idle stop screw when throttle released. If action is restricted, disassemble the handle where the throttle trigger is located and clean out the sawdust. Recheck throttle action. The throttle cable shouldn't require lubrication. Clean the air filter and check the operation of the engine. Hope this helps!

Jan 27, 2010 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

3 Answers

Difficulty starting Poulan 2250 . . .


hey pete
This is easy, prime bulb 5 to 7 times with choke lever full out. Pull string, once engine starts turn off choke and pull string again. ( throughout process do not pull trigger )Engine should start, let it idle 30 seconds, then finally pull trigger to rev up engine.

Jul 03, 2009 | Poulan Pro 16-Inch 38 cc Anti-Vibration...

1 Answer

46cc cranks but wont keep running if trigger is released


The small ports and passages within the carburator is blocked,the carb must be disassembled and cleaned and possibly replaced ..

Nov 24, 2008 | Poulan Pro Chain Saw 46cc 20"

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