I left gasoline on tank over the summer without stabilizer , now starts only if i add some starting fluid on spark plug chamber , but only runs for a few seconds , already changed gas and added stabilizer , installed new spark plug and still wont run , can anybody please help me
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The most common cause of failure to start is bad gasoline, Gasoline cannot be left in the fuel tank without a stabilizer added to it. It goes bad after about 1 month.
Try spraying carb cleaner inside the carburetor. Left over gas will clog the tiny ports inside the carburetor. Next time either add stabilizer in your gas tank or run it dry until next season. Good luck!
I'd check to make sure any fuel shut off valve (often "inline" or located directly under the tank) is open or on. Check or replace any inline fuel filter as well. If your snowblower has a priming bulb, you should hear gasoline spritzing after the second or third full press. More presses will probably cause gas to drip out of the carb to the ground. Next, check the spark plug. Clean or optionally replace it - set / check proper gap. With the plug out (and the spark plug wire away from the spark plug's threaded opening in the engine) pull the starting cord several times, and then check for the smell of gasoline in the cylinder. If no gas odor, you may have a bad float in the carb or other blockage. It will not run until you can get fuel into the cylinder. You can try pouring a few drops of gas into the cylinder of the engine via the spark plug opening or give it a "quick blast" of aerosol starting fluid or ether. Reinstall the spark plug and try again. If you added fuel, starting fluid or ether, the engine should have either attempted to run or sputtered briefly or is actually running. If it did neither, check for spark. Remove the spark plug wire from the spark plug and insert the tip of a screwdriver into the boot on the end of the spark plug wire and position the screwdriver's shaft to within 1/4" of the top of the spark plug. Be sure to only hold the screwdriver by the insulated handle (do not come in contact with the metal shaft of the screw driver) and pull the starting cord again. You should see a spark jump to the spark plug. If none, you may have a bad spark plug wire or magneto - and need to clean or replace it. before trying again. Good luck!
When engines set for the season with gas in the fuel system, they often form a varnish like substance that will block fuel jets, or make a float stick in the carburetor, or even seize up the throttle shaft.
You might try taking out the spark plug and pouring a partial teaspoon of gas into the spark plug hole. Screw the plug back in, connect the wire, and try it again. If it fires, you know it's a fuel problem. Sometimes that's all it takes to start it. If it does, I would still dump the old gas and add fresh gas along with some Seafoam or other brand of additive. If it's bad, you may have to have the carburetor rebuilt. In any event, with the poor quality of gasoline now days, you almost have to add Seafoam, or Stabil, or a similar additive at the end of each season to protect the fuel system.
Just a note .... I'm not familiar with your particular blower, but equipment with Tecumseh engines are very prone to those problems. Tecumseh carburetors usually require rebuilding or replacement before any other brand.
Clean or change air filter. Clean, gap or change spark plug. Empty gas tank add fresh gas with Stabil. When spark plug is removed pull rope several times to blow out cylinder. Spray starter fluid in spark plug hole before replacing spark plug. Clean outside of carb so choke works freely. Spray starter fluid into carb breather hole with air filter removed and try to start. if running replace air filter and cover. If no start disassemble carb and clean. If no start replace carb.
Well it is either lack of fuel or spark. Often in the spring mowers will not start as the gas left in them over the winter has turned into a shellac and that has blocked the small fuel passages in the carburetor. There is a fuel additive called Stabil you can and should add to the fuel tank of anything which is going to sit idle a very long time such as a mower, snowblower, RV, etc.
Pull the plugs and spin the crank a few times, see if there is spark and see if the plugs are wet with gas. If no gas is getting through, someone is going to have to remove, disassemble, clean, and reassemble the carb.
Is the spark plug black? It won't run well with a carbonized plug.
Is the main jet in the carb plugged? If the plug is dry after trying to start it.....your fuel is not getting into the engine and most likely a plugged carb jet.. Also.....Is the fuel switch working...is it in run position?
If the generator has sat for a while with fuel left in the carb/fuel tank.......the most common problem is a plugged varnished dirty carburetor in need of a good cleaning. Always shut the fuel off and let the carb run dry (run until the engine stops)before storing. Add fuel stabilizer to any remaining fuel or drain the tank before storing.
Empty out the gas and replace with proper gasoline mixed with oil in the proper proportion. Always use a good quality 2-cycle oil that contains a fuel stabilizer. To start the generic chainsaw, follow these steps: 1. Pull the choke all the way out 2. Press the fuel bulb serveral times to prime the carb - you can feel when the fuel flows into it. 3. Set the lock on the trigger to full speed. 4. Now, pull the starter rope until the saw sounds like it tried to start. 5. Press the choke in to the 1/2 way position. 6. Pull the rope until it starts. 7. Release the trigger lock and push the choke all the way in.
If starting it when it is warn, skip steps 1 and 4. It is unlikely that the spark plug is the problem. If you replace it without properly setting the gap, you may make it worse. If you start trying to adjust the carb without knowing exactly what you are doing, you will make it much worse, You can try spraying some carb cleaner into the carb and pulling the rope to such the cleaner into the jets. In the future, always add fuel stabilizer or oil with a stabilizer to you gas/oil mix. This prevents the varnishing caused by aging gasoline.