Question about Craftsman 20 hp 42 in. Deck Yard Tractor

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DLT 3000 Intek 18.5 Carb Float Stuck?

Tractor will cold start and run for about 10 minutes. Will not re-start until it sits for a while. Replaced fuel & air filters, new spark plug. Verified spark. Fuel appears to pool into carb and flood engine. Is this a float thats stuck or a solenoid issue?

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If it starts cold and runs for 10 min then it sounds like the fuel cap is not venting properly, try runnin engine with fuel cap loose and see if it dies. 9 times out of 10 the fuel cap is the culprit. Let me know

Posted on Nov 30, 2009

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Tractor starts , but wont run


check float level and operation. check that the idle circuit is clean and if there is a solenoid in the idle circuit ensure that it is working. If the fuel tank is above the carby check for filter / line blockage and that the tap is turning on. as from your description the is insufficient fuel getting to the carby and the bowl is running dry

Jan 26, 2014 | Cars & Trucks

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I have a Craftsman LT3000 (purchased in 2006) with a 20hp Briggs Intek Plus engine. I changed the oil out a few months back, and used the mower. Due to the lack of rain, the grass hasn't been growing,...


The float on your carb. has gotten stuck. The mower sat for a long time with fuel in it and the fuel went bad and now the carb needs cleaning. With the float stuck the gas poured through it and into the engine crankcase. Do not run your mower yet. Change the oil (be careful when draining as the oil/fuel mix will flow out of the drain like water) and with spark plug out turn motor by hand several times work the fuel out of where the oil should be. Reinstall the plug. Clean the carb, making sure that the float and needle do not stick. The connector on the bottom of the carb that you unhooked, that is a solinoid valve and you need to make sure that it is not stuck also. Now you may put gas in tank if empty, let sit for a minute to see if level in fuel tank drops. If so you did not clean the carb well enough. Double check by checking oil for fuel. Try to start. You may only want to let it run for a few seconds and check oil for gas. Determine if you want to change oil again. If you are really lucky you did not due permanent damage to your engine when you ran it before. Only time will tell. Hopefully you are familiar with how the motor sounded before this incident, because you need to listen to it while it is in use for a while to see if sounds different to indicate if you do have damage. Good Luck!

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Jul 13, 2011 | Craftsman 20 Hp 42" Deck Lawn Tractor

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My 24 hp B&S starts and runs good for 1/2 hour then it will not start when you try to start it. After it sits over night it will start and run for 1/2 minute then quits and will not start again.


Running for 1/2 minute then stopping sounds like the carb's fuel bowl is starving for fuel. I would check the carb's float and needle and seat to verify it is not sticking. Usually when the engine runs there is enough vibration to unstick it. I would also look at fuel filter (disconnect the fuel line to the carb and verify that fuel flows freely - try not to spill too much).

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My Craftsman Lawn Tractor 18 HP Briggs and Stratton runs about 10-15 minutes and then stalls. Will restart after a cool down period, any ideas?


I had the same problem and talked to 3 different techs. The only solution they would come up with is to replace the carb. I didnt believe this was the problem. If you have a fuel solenoid on the bottom of the float bowl remove it and just put in a float bowl plug that threads in. I just taped up the solenoid connector. It runs better than it ever did. I believe the solenoid gets hot and starts shutting off the fuel. I used a plug from a spare set of 1977 yamaha motorcycle carbs I had sitting around.Go figure. Hope this works

Jun 26, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

I have a 19.5 HP Lawn Tractor. This problem Im having is on going . It starts right up . Runs for about 10 seconds then dies . It will not start again untill it sits for awhile only to do it again . I have...


A classic case of low feul flow.

You have debris in the float bowl of the engine or a sticking float. Remove the float bowl and clean the bowl nut holes and the JET in the very bottom of the carb throat.

Check the fuel flow to the needle and seat assy on the top of the float by turning on the fuel and checking to see that as you gently raise the float it shuts off and as you lower it that it flows freely.

Unless you have a clogged fuel tank exit hole or fuel line this should get your going again.

Kelly

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2 Answers

We have a '69 ford 2000 3 cylinder gas tractor that will start and run great but starts to spit an stutter after 10 to 15 minutes and shuts off. We have replaced fuel pump, blown out fuel lines, and...


It may be something with the carb like a float, valve, or jet problem, but don't rule out vapor lock. Make sure that the fuel lines are protected from the heat of the engine. Sometimes rerouting/shielding fuel lines can make a difference. Just a thought. Best wishes.

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1 Answer

Poulan Pro 18.5 HP Intek engine trouble


Might be fludding..
If there is a bowl on the carb, pop it off and check the float.. Check for fluid inside the float. If the float is holding any fluid - its bad..
Srpay carb cleaner in there..
Clean the bowl..

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1 Answer

Fuel flow on a Cub Cadet 2165 Tractor


Jim. It is probably the jet is clogged or the float might be stuck.Pull the bowl off of it and inspect.
Or try carb cleaner from the auto parts store
Kurt

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1 Answer

Sears 19 hp twin 42 inch tractor, won't start if hot


Hi
Two things come to mind. First it could be not getting enough fuel when hot due to carb adjustment being too lean. That could be that the float level in the carb is set too low or the low speed jet is set too lean. When cold the choke circuit in the carb supplies the extra fuel required.
Second in some enjines that have low compression they start cold but when hot the compression drops below 60 psi and makes starting very difficult until engine cools down.
I suspect a fuel problem.

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