Mower not run in over 5 years -- put in new gas, checked plug, removed air filter as it was plugged, started right away with Ether starting fluid and stops after 1-2 seconds - starts right away and then stops - cannot keep running - what do I do? It starts at full throttle with a roar and dont just slow to idle or slower speed but just stops.
The main reason why a mower starts up and then cuts off after a short period of time is because of poor air flow to the carburetor and is most likely a blockage somewhere.
First you should try this. Remove gas cap and filter then place a really thick rag over the top of the carb where the filter was and either blow into the gas tank or wrap a rag around a tapered air chuck and then place the air chuck in the gas tank (with rag fitting snug around chuck) blast it a few times and listen for bubbling, if it's bubbles then you have removed the blockage..
Take the carb off of the mower and clean the carb / jets with a thin piece of wire.
Be sure to clean the gas tank completely and the fuel line.
Check the oil level, some mowers have a low-level oil shut off.
Change the plug out with one thst is reccomended for your engine.
I wouldn't reccomend running the mower without the filter, that causes dirt and grass debri to enter the carb, fuel line and tank.
This should fix the problem, if it don't you should find a lawn mower repair service.
I hope this helps.
SOURCE: mower starts w/ priming but stops after 1-2 seconds. Air filter, gas, oil, spark plug are new
Remove your fuel filter (in the tank usually) and, replace it
SOURCE: can't start toro mower. cleaned spark plug , new
Hello:
There are 2 Possible Causes for this Problem.
1- The Carburetor Requires Soaking and Cleaning.
2- The Valve Clearances Require Setting.
You can View a Breakdown of this Unit at the Following Site Addy.
https://lookup3.toro.com/partdex/default.cfm
Hope this Helps.
Good Luck
Respectfully
John
SOURCE: My weedeater 150 mph starts
One cause of such a symptom could be an obstructed exhaust. Make sure the outlet of the muffler is not obstructed (ex. dirt dobber nest), also check the exhaust port by removing the muffler.
Testimonial: "Muffler did need cleaning as it was clogged with oil but problem still persists."
SOURCE: engine will not run at full throttle. I replaced
You could have a carbon problem try taking off your muffler and check for the exhaust port for carbon if so I would take it to a good small engine mechanic to get it removed as it is rather tricky as the engine has to be pulled apart.
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