My small mtd snow blower was bought new in March, used little, now does not start. Emptied tank and carb bowl, no difference. no fuel can be seen when spark plug is removed and primer bulb is pushed. also spark pkug is dry. Please help!
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Re: mtd snow blower no start
Check the ignition.Check the compression(remove the spark plug and ground the plug wire on the engine,seal off the plug hole with your thumb,operate the starter,if thecompression preasure blows your thumb off the hole the compression is adequate for the engine to run.Be careful not to touch the plug wire as this is done.Try to start the engine and see what is happening.Please let me know!
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if you can only get it to run in choke , then you have some problem that is keeping the proper amount of fuel flowing , id say most likely inside the carb pathways , Ive had great luck cleaning out carbs with some automotive fuel carb/injector cleaner added right to the fuel tank and let it run (even in choke ) after it heats up the cleaning will begin
that line has to be right there either on the bottom or side of that tank ,take the cover off and see where the fuel is coming from alot of times it is the bowl on the carburator that leaks this should be drained at the end of use so it does not get a clogged needle and seat at the end of the season , this is the number problem with things that are used only a few times a year and they let them sit with the fuel in the carbs ,
Its the carburetor. Needs to be cleaned. But try this first. On the bottom of carb is a round bowl with a bolt holding it on .If snowblower has gas in it clamp fuel line to stop fuel leakage. Remove bolt and pull bowl down slowly. Look in bowl to see if there is water at bottom under gas.To be sure dump out fuel and clean out bowl with clean rag and some air. Next place a small piece of tube in bottom of carb that you took bolt out to hold bowl on. Blow air in to remove any dirt and reassemble carefully and refuel carb and start engine. Good luck.
Try a spray of starting fluid into the carb. If it fires you know you have good spark. If it did not fire replace your spark plug. If it still won't fire point and condensor need to be replaced. If it did fire spray the starting fluid in the carb a few more times to pull the old fuel through the fuel line til the new gas gets through the carb and then it should run. Some machines have a fuel shut off valve make sure it is open.
Around the back of the engine, just below the cylinder cooling fins. The shut off should face you if standing in front of the recoil starter, for the fuel tank. The fuel line should wrap around I the side of the carb and be protected by the metal cover surrounding it.
you put new gas in the tank -- but did you drain the carburator bowl ? -- also clean the bowl and the needle seat and jet. if your gas was bad in the tank - there is a chance that the carb got gummed up.
also -- are you getting spark ?
if you are still having troubles - please feel free to write me back here and I will do my best to walk you thru the steps needed to fix.
clamp off fuel line or drain tank ,there is a brass nut on bottom of carb.(holds on fuel bowl) the brass nut is also the jet for the carb.unscrew nut and check for dirt or foregin material plugging pick-up holes on side off nut body,also make sure center hole is opened (small straight pin size hole) be sure to wipe clean inside bowl before reassembly.
Your engine is running lean, you need to drop the float bowl and clean it out. Also make sure the fuel is running freely from the tank when you disconnect the fuel line from the carb. Then if it is still running lean, adjust the mixture screw on the bottom of the float bowl. Slowly turn it counter-clockwise until the engine smooths out. This will fix your problem. If it starts sputtering and black smoke starts, turn it back untill it runs smooth.