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Craftsman Riding Mower Keeps Stalling?

June 23, 2020

I have a Craftsman LTD 1500 riding mower that dies while cutting as if you shut it off, but will crank right back up to repeat itself. What can I do to fix it? It is getting fuel; I checked.


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June 23, 20200 found this helpful
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If the mower is getting enough fuel and the fuel lines are not clogged then it has to do with the spark plugs and them being dirty and needing changing. I would also check the carburetor and make sure it is clean and not clogged. A little service on the mower is good and a good cleaning is needed to keep it running.

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June 23, 20200 found this helpful
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A dirty filter can make a mower cut out, also check spark plugs, and lastly the carburetor may not be getting enough fuel!

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June 25, 20200 found this helpful
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Most likely it is bad gas and the more you crank it the more of the sludge will get into your carburetor so it may be best to try and remove the old gas before looking for something else.
You might try carburetor spray cleaner and starting fluid before tackling the 'real' cleaning of the carburetor. Both of these can be found at auto parts stores and hardware stores as will as other stores. These are to used individually and not necessarily together.

www.goldeagle.com/.../

www.homedepot.com/.../204802514

www.repairclinic.com/.../Craftsman-Lawn-Mower-Starts-Then...

www.lawnmowerfixed.com/.../

You may want to consider buying a new filter if this looks even the slightest bit dirty as filters should be changed often just like spark plugs.

If you end up having to remove your carburetor there are a lot of YouTube help videos.

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11 More Questions

Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

I have a 24hp Craftsman Briggs and Stratton riding lawn mower. It will start up and run in choke for a minute, then it dies. I have drained the tank and put fresh gas in.

I have sprayed carb cleaner in it. If I keep spraying carb cleaner it will continue to run. I can't figure out. Any suggestions?

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August 15, 20160 found this helpful
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Fuel Filter needs to be changed out. It's either dirty or water has gotten into the system. It's blocking the gas from reaching the carb. Other than that, check the carb jets.

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Anonymous
August 28, 20160 found this helpful
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The piece at the bottom of the float bowl needs to be replaced. Had the same issue. Drain the fuel, then undo the from the bottom of the float bowl and replace it. About a $20 fix.

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October 7, 20160 found this helpful
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I have had simular problems with my old craftsman. I have figured out my problem. I took the fuel filter and cleaned it along with the fuel lines. When you put gas in it, over time, sediment sinks to the bottom of the tank. Then later, the sediment gets sucked into your lines witch can clog your gas filtering system. The engine isn't getting the gas it needs for the amount of air it intakes which can lead to stalling.

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June 19, 2008

I have a 12 HP craftsman riding mower. When it gets hot it begins to miss a stumble. If I continue to use it I have to have it choked, if I keep going it then stalls. What do you think is causing this?



Teresa from Green Lane PA

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July 12, 20091 found this helpful
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After reading another post about stalling in here, I think I found the answer. Mine (16 hp) would stall the same way, after about 20 minutes. I loosened the gas cap and it kept going. I think the vents on the cap are clogged, which prevents the gas from going through the line. I will clean those or get a new cap.

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June 29, 20100 found this helpful
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Thank you. I had changed everything on the lawnmower, and was having problems with my lawnmower stalling. I had adjusted the idle speed screw and the idle mixture valve; but nothing worked. Then I read the post about the gas cap. Wow! The light turned on. I had lost my gas cap. When I took my lawnmower apart, I found my gas cap hid under the dash. I had started using my gas cap again. I immediately went outside and removed the gas cap. I mowed our front lawn without the mower stalling. Thank you! My next option was to call a mechanic. I had about decided to buy a new lawn mower. I can not believe it was so simple.

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June 20, 2010

My Craftsman 6.5 hp lawn mower runs on prime then stalls immediately. I replaced the plug and filter. I am getting the same result any Ideas?

By BRian from MA

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September 15, 20100 found this helpful
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Just before this problem occured, were you getting heavy black smoke out of the exhaust?
I am thinking you have a bad carb. The newer carbs today are all one piece. they arent made to last. Try replacing the carb. Shouldnt cost more than $14.

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Anonymous
March 11, 20161 found this helpful
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If nothing else works, look for your fuel bowl underneath the carburetor. You'll find a 'bolt' on the bottom of the bowl. Drain fuel tank 1st, then remove this 'bolt from the fuel bowl. You'll find that the 'bolt' is what's commonly referred to as a 'banjo bolt', and will have a small hole in the top, and 2 smaller holes on the sides where your gasket/washer is on your banjo bolt. Clean any foreign matter out of this bolt, blow it clean, and re-install. See if that won't work to keep it running, as those holes in your banjo bolt is what allows the fuel to flow freely into your carb.

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June 10, 2016

You can start the mower, but if you release the clutch or engage the mower deck the engine will die.


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June 13, 20161 found this helpful
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The kill switch may be faulty or completely dead. There is one under the seat and one on the brake pedal. Replacing both switches is best.

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February 24, 2016

I have a Craftsman garden tractor with a 54 inch mower deck - model 917.28749. The engine runs fine, but it stalls whenever I engage the drive (all speeds) or engage the mower.

If I release the brake quickly I can get it to lurch forward a foot or two, but it still stalls. What should I look for?

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Anonymous
May 23, 20160 found this helpful
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I had the same problem with my LT 1000 Craftsman riding mower. I tried everything I could think of. What finally worked for me was a new gas cap AND a new fuel solenoid located on the bottom of the carb bowl. No more problems. I don't really think the new cap fixed it but wrote that in anyway. The old fuel solenoid saw a little sticky when pressing down on the valve on top of it. Hope this helps you. It did me.

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I have a Craftsman riding mower and it mows for a while then it dies. I get it started back up and then it does it again. So what is it?


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July 9, 20180 found this helpful

I would check both the carburetor and the fuel line.

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July 10, 20180 found this helpful

You could have challenges from as simple as condensation in the fuel line to a short or loose wire, on up.

You may want to check with their customer service and get their expert guidance! They can also tell you if there are any recalls that could be a free fix:

www.craftsman.com/customer-care

Let me know what you find! Good luck!

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August 11, 2017

I have a Craftman lawn mower with a Briggs and Stratton engine. It starts and runs fine, but when you put the deck on, it dies. Any suggestions on what might be the cause?


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August 11, 20170 found this helpful

There is something called the operator presence switch under the seat. It will stop the motor if it senses there is not weight on the seat. It may be disconnected or may need replacing.

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November 24, 2011

My Craftsman riding lawnmower stalls when I ride it after a few seconds. Then it won't start till I charge the battery again. What's the problem? The battery is new.

By Donna

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November 24, 20110 found this helpful

How's the spark plug?

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September 6, 2015

I have a Craftsman 18.5 twin that will start but only run for a minute or two then die. If I use the choke, it still quits running. If I smother the carb with my hand, it chokes it enough to run a little longer.

I replaced the fuel filter and cleaned the carb. My thinking is that something gets hot and cuts the flow of fuel. Also, it's gravity fed and the vent on gas cap is clear.

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June 25, 20170 found this helpful

buy this fuel filter for it part #25-050-21-S its a 75 micron not a 50 or universal one

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March 30, 2015

I have a 24 HP. Craftsman mower, with only 15 hrs. After riding it 1/2 hour to 3/4 of an hour it backfires and shuts wown. After sitting 10 minutes it restarts and shuts down again. Sometimes I rev the engine up and down and it corrects itself.

By Robert P from Jacksonville, FL

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April 29, 20180 found this helpful

It sounds like your choke is sticking. Have you checked the choke and throttle and also made sure no debris in the fuel line?

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March 15, 2015

My Craftsman lt1000 20 H runs until it gets hot and then the engine quits. I've changed the fuel pump and the air filter. Could it be vapor lock? If so how do I fix?

By Terry H.

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