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Craftsman chainsaw chainsaw troubleshooting .....mine runs with choke on but speeds up and cuts off when i take choke off?

Chainsaw troubleshooting .....mine runs with choke on but speeds up and cuts off when i take choke off?

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Check to see if the boot between the carbureator and the engine has a crack in it, if it is cracked air will leak in causing a lean mixture and hard starting. Also will not run unless the choke is on.

Posted on Mar 31, 2014

  • denise wade
    denise wade Apr 01, 2014

    Thank you so very much! Denise


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/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-style-parent:""; font-:12.0pt;"Times New Roman"; mso-fareast-"Times New Roman";} Never, ever, adjust a carburetor without knowing the integrity of the crankcase, tank vent, and fuel lines! The factory settings will work fine when everything else is in good shape. Adjusting the carburetor can make a unit seem to run normally again, but it will usually cause expensive damage when the real problem is in another area (leaking crank seal, leaking pan gasket, clogged tank vent, cracked intake, etc).

Your unit is running lean, which is why leaving the choke on will allow it to run. This is usually a check valve failing in the carburetor, but it can also be other issues listed above. The carburetor needs to be pressure/vacuum tested to determine if it functions properly. This should be followed by crankcase pressure/vacuum check, and a fuel system p/v check. Failure to find ALL faults in an engine BEFORE the repair can lead to major problems at a later time.

Posted on Apr 23, 2014

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  • Lonnie Smith
    Lonnie Smith Apr 23, 2014

    If this Craftsman saw is really a Poulan, my guess is that the tank vent in the gas cap is clogged. A way of determining this is to loosen the cap and try to start it (saw must be held by a helper with the chain brake engaged and saw on its side).

  • Lonnie Smith
    Lonnie Smith Apr 23, 2014

    If this Craftsman saw is really a Poulan, my guess is that the tank vent in the gas cap is clogged. A way of determining this is to loosen the cap and try to start it (saw must be held by a helper with the chain brake engaged and saw on its side).

  • Lonnie Smith
    Lonnie Smith Apr 23, 2014

    What is the model number of the saw?



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Posted on Jan 02, 2017

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SOURCE: craftsman 16

The first thing to check for is spark at the plug. Remove it and reconnect the wire--lay the plug body on the cylinder head or other metal part. Pull the engine through--the spark should be blue and snappy. If nothing, make sure the ignition switch is set to run and try a new clean plug. If still nothing, you need to check the ignition system. Go to: and enter the complete model number of the saw (minus the decimal point). A series of drawings will appear, select the ignition layout. If this is a newer saw, the ignition will be a self-contained module mounted just outside of the flywheel. The first check before buying a new module is to remove the grounding wire that goes to the switch, and try to get spark again. If still nothing, and the pole gap between the module and the flywheel magnets (set with a thin business card for a clearance gauge) appears to be correct, order a new ignition module. Once you get spark, the other major problem is usually the fuel system. Hope this helps!

Posted on Apr 17, 2010

  • 211 Answers

SOURCE: chainsaw cuts out a few seconds running

hi frado
check the fuel lines,make adjustment to the carb,set the T ,check the fuel filter.Inside the carb,at the fuel pump side there is a screen,carefully clean it.Hope theese help.

regards savumihai71

Posted on Dec 01, 2008

  • 333 Answers

SOURCE: I have an 18 inch craftsman chainsaw that starts

If the chain is revolving fast around the blade ,you just need to sharpen it.If not come back to me.

Thank you

Posted on Aug 18, 2009

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SOURCE: chainsaw will not run once you take the choke

Stihls often have a problem with plugged up mufflers. Remove and clean it. Do not forget the spark arrestor screen. GL

Posted on Jan 20, 2010

  • 88 Answers

SOURCE: Craftsman chainsaw model number 358.351610

there is two adj screws on the side of the saw below the primer bulb. get a small screwdiver flat or phillips depending on the brand, start saw with full thottle and start turning idle screw till you get it to idle then adjust from there

Posted on Dec 19, 2010

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Chainsaw issue

What is the model number of the saw?

It may as simple as a tank vent that is clogged. I have seen this on Poulan saws, and many of the new Craftsman saws are rebranded Poulans.

If the saw has a tiny hole in the center of the fuel cap, try this test. Engage the chain brake, turn the saw on its side so the cap is facing upward, loosen the cap slightly, and start it while a strong helper holds it on a workbench. If it runs normally (don't heat up the clutch drum while the brake is engaged!), the tank vent needs to be cleaned or cap replaced. If it still won't run correctly, it is time to diagnose the carburetor and other areas of the engine.

Let me know if you have any luck getting it going.

Mar 30, 2014 | Craftsman Garden

2 Answers

Chainsaw runs w choke speed up, cuts off when choke is off

There may be a number of errors in the saw, or one of several.
If you have lots of used chainsaw or chainsaw has stood for a long time. Then the problem can be broken crankshaft seal.
Another possible problem is - improperly installed or defective carburetor gasket.

Mar 30, 2014 | Garden

1 Answer

My craftsman starts and runs great,but when I start cutting it dies. it's new ran 1 gallon of gas through it.

Does it help if you keep the choke closed about half the way ? If it does check for a bad fuel line. I have had new ones with cracked fuel lines do this.

Oct 27, 2013 | Craftsman Garden

1 Answer

210 2 stroke leaf blower it starts when choked and idles when choked but when i pull the throttle trigger it cuts off. I cleaned the air filter and replaced the plug.

hi mike. most likely problem is junk in the carburator. Get a can of starter fluid and an assistant. Remove the air filter. Start it up and before you pull the throttle have your assistant squirt the starter fluid into the air intake. Use more starter fluid as needed to keep it running for about 2 minutes to clear it. Joe

Apr 14, 2011 | Craftsman Garden

2 Answers

Craftsman 32cc weed trimmer will not stay running when trigger depressed after start & warmup ... Bad gas? Plug gap? Choke adjustment? Suggestions?

Check the fuel filter, air cleaner, and muffler for plugging. Check the fuel lines for decay or other damage. Plug gap should be 0.020". Bad fuel usually means poor starting and idling as well as poor high speed running. Try setting the H jet needle CCW somewhat to increase fuel input to the engine. It should 4-stroke lightly at speed, then 2-stroke immediately when the line is cutting. Be sure to use a modern synthetic saw oil in the fuel (available at home centers, hardware stores, and saw dealers) and be sure to shake the container thoroughly just before filling the tank each time to prevent oil starvation. Hope this helps!

Jan 03, 2011 | Garden

1 Answer

My chainsaw starts with choke when choke is off and i press trigger it just dies like its getting no fuel

Check the fuel filter, muffler, and air cleaner for plugging. Check the condition of the fuel lines for hardness, splitting, end rot, or kinking. Make sure the carburetor fasteners are tight. If no help, remove the lower carburetor chamber cover and examine the diaphragm and fuel metering valve that it controls. The diaphragm should not be hard, cracked or have any holes. The fuel valve has a rubber tip that may have deteriorated. If looks ok, then turn both L and H jet needles CW to stops (lightly), then back out CCW 1-1/2 turns each. Engine should start and run with these basic settings. Allow the engine to warm up, then pull the throttle full on. Adjust H needle CW until the engine speeds up somewhat, but is 4-stroking. Correct adjustment is when the engine continues to 4-stroke, but immediately 2-strokes when cutting. Allow to idle, and adjust L CW until the engine runs fairly well, but will allow the engine to 'follow the throttle'. Set idle speed screw so that the chain stops moving, but the engine continues to run. Hope this helps!

May 17, 2010 | Garden

1 Answer

Craftsman Chain saw cuts out

Check the fuel filter for plugging and the condition of all fuel lines. Make sure that all carburetor fasteners are tight. Check the air cleaner and muffler for any plugging. Make sure to warm the engine up before accelerating it. If still not running correctly, try turning the H jet needle about 1/8 turn CCW, which should cause the engine to 4-stroke at speed when NOT cutting, but immediately 2-stroke when you are cutting. Hope this helps!

May 11, 2010 | Garden

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