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Parts trouble shooting

Engine starts and runs for 2 or 3 minutes then abruptly stops can keep it going by quickly applying choke

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Could be a carb adjustment or a vacuum leak. Check hoses, carb mounting flange gasket, etc.

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

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2 Answers

Why Tiller cranks but will not run when you need it to till?


If you don't have a manual, could can read/download it at this link.
If the engine stalls under load, the mixture may be too lean. There should be a mixture screw on the carburetor. Note its position, and turn it counter-clockwise 1/8 of a turn to see if there is any improvement in engine performance. Repeat this but don't exceed about a half turn.
The tank has a vent and this should be kept vertical under the cylinder cover in the small "pocket" in the cylinder cover.
Lack of power can be caused by a dirty air filter or blocked muffler screen.

See the article below for troubleshooting 2-cycle engines
String Trimmer Won Work 2 Stroke Engine and Carburetor Troubleshooting

May 30, 2014 | Mantis 2-Cycle Tiller

1 Answer

3cyl 993cc daihatsu engine starts and runs then shuts down could this have something to do with the fuel cut solonoid


If you can keep it running with the choke set, your engine is starving for fuel, your fuel filter, or carb is clogged. disconnect the fuel line to the carb and check for flow. Fuel cut would do just that, cut ALL fuel so choking would not matter.

Mar 30, 2014 | Vehicle Parts & Accessories

1 Answer

Ridgid pressure washer motor runs choppy when choke is disengaged


The choke reduces the air flow into the carb. If you are having problems with the choke off, it means that not enough fuel is getting into the engine and it is running lean. When you choke it, the reduced air flow causes the mixture to be correct and it runs fine.

Feb 09, 2014 | Ridgid Rd80702 3300 Psi 3.0 Gpm 7 Hp...

1 Answer

I have a 24" snowblower that surges after 1 minute of running, after 3-4 minutes stops and will not restart until several hours later, does the same thing over and over


This sounds like a choke issue. Do you have a choke on that engine?

The purpose of a choke is to allow for a varying air:fuel ratio depending on how hot the engine is. A cool engine needs a more rich mixture of fuel to air. Once the engine warms up, it runs best with more air. The Choke is a mechanism that allows the operator to manually adjust this mixture. Generally, the choke is closed to start a cold engine, then is opened in 2 or 3 stages as the engine warms up. As the operator, as the engine starts to run smoothly, you would actuate the choke to the next notch, changing the fuel:air ratio so more air is mixed in with the fuel. It's probably best to give the engine a few minutes to warm up while you progress through the choke stages until it's fully open providing the best mixture for operation prior to beginning to clear the snow.

If you follow that process and the engine stalls when the choke is opened, then you need to clean your carburetor.

Oct 18, 2012 | Garden

1 Answer

94 jeep grand cherokee stalls after the first 5 min of operation


Sounds like the automatic choke is either binding or gone bad.

On a cold start, that's why the RPMs are bumped up for a few minutes...the choke is allowing the engine to warm up, before dropping the intake mix to normal "run" level.

However, should the choke remain closed once the engine is hot, the stalling will happen for lack of air.

The choke-control is mounted on top of the manifold, near the throttle cable-cam.
Look for a small (about 3" wide X 2" deep) cone-shaped metal can with a linkage to the throttle cam.

With the engine off, spray the linkage at both ends with Liquid Wrtench and work the linkage in and out of the can a few times to check for smooth operation.
You should feel slight back-pressure when you move the linkage toward the controller.
With the linkage pushed in, spray and wipe the exposed surface inside the controller body.

Allow the cleaner to dry for a few minutes (it's just oil, I know...but if you used a spray, the propellants could be flammable) and start the truck.
Allow it ti idle at least 5 minutes until the auto-choke pulls back on the throttle...then take a short ride around the block to see if that cured the stalling.


***Don't forget to VOTE for the guys who take an interest in helping!

Jun 29, 2010 | 1994 Jeep Grand Cherokee

2 Answers

Sometimes to start you have to give it a lot of


Hi
This sounds like a cold start system fault, which is a number of things.
  1. Cold start temperature sensor not operating correctly so the cold start system won't work when the engine is cold.
  2. The idle needs to be set to the correct RPM of the engine when warm, if it is idling ok when it is warm then this wont be the problem.
  3. Spark Plugs are worn and need replacing.
Most case's its the cold start system not operating correctly and if you have a good workshop to take it too they should pick this up quite quickly. Hope this helps, let me know how you get on.

Apr 03, 2010 | 1996 Toyota Corolla

1 Answer

Yamaha TW 200 starts but won't run.


If the bike has sat for a long period of time without being run - the gas that is sitting in the carb(s) will shellac.. Then the carb(s) would need to be cleaned and "rebuilt"..

Sep 14, 2009 | 2001 Yamaha TW 200

1 Answer

I have trouble starting the tractor


First, make sure you are using fresh gas. Gas breaks down quickly with the ethanol they put in it now.

Next, you must apply the brake before you start the tractor, and be sitting in the seat.

Make sure it is neutral and make sure the blade is not engaged.

Apply the choke, then start the tractor, once the tractor starts running turn off the choke. let the engine run for a bit, then put it to full throttle.

If you get off the seat without the blades off, and the break on, the engine will shut off.

May 03, 2009 | Craftsman Garden

1 Answer

I just pulled out my Snapper Ridding Mower with a Briggs 9 horse power motor from winter storage. I did a quick inspecton, checked oil levels, pulled the plug and gave a shot of wd40 in the cylinder for...


the rings have seized on the piston and the fuel is running by into the crankcase or you have a valve bent i would pour marvel mystery into the jug and leave it sit for a couple of days

Apr 27, 2009 | Garden

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