What causes a snowblower motor to surge?
There are a few different reasons your snowblower may be surging and/or backfiring. These include: Running Lean – If your carburetor is running lean, this means your air-to-fuel mixture is off and that the engine isn’t getting enough fuel (source).
Why is my snow blower bogs down under load?
The most common reason for a snowblower to stall is the carburetor is clogged and needs to be cleaned. The fuel cap vent can clog, causing air to not enter the tank and vapor lock will occur causing fuel not to move within the carburetor.
What causes small engines to surge?
A dirty or gummed up carburetor causes an engine to surge. If you feel comfortable working on carburetors, unbolt the bowl and clean it thoroughly. Check whether the float moves up and down without sticking, and clean the tiny ports on the bowl hold-down bolt.
Why is my snowblower chugging?
A clogged carburetor is most commonly caused by leaving fuel in the snowblower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to run roughly.
Why does my snowblower spit and sputter?
A clogged fuel filter will also prevent the engine from getting fuel, causing the engine to sputter or run rough. Check the fuel filter and replace it if clogged. A dirty spark plug won’t ignite the fuel consistently, causing the engine to miss and sputter. Check the spark plug and replace it if necessary.
What kind of problems does a Tecumseh snowblower have?
By Chris Passas. Tecumseh engines are built for use in lawnmowers and snow blowers. Common problems that affect the governor on a Tecumseh engine are that the engine runs either too fast or too slow or that the engine surges or hunts.
Can a governor on a Tecumseh engine be repaired?
Some repairs should be left to professionals, but diagnosing the problem with the governor is an easy process for most do-it-yourselfers. The governor shaft on a Tecumseh engine should face the same direction as the governor arm to open the throttle.
What kind of engine does a Cub Cadet snow thrower have?
I have a Cub Cadet snow thrower with a 10 HP Tecumseh engine. I have a Cub Cadet snow thrower with a 10 HP Tecumseh engine. It starts OK but when I open the choke and start throwing snow, the engine starts … read more
How do I know if my snowblower has a non-adjustable bolt?
If yours has the same center bottom brass bolt like the one in the picture at the top of this thread, then it is the non-adjustable type. The 632334A will fit any of the L-head 8-10 hp engines. I have this snow blower since 2001 and started having problems with surging since end of last year.