Why Your Snowblower Keeps Stalling: Troubleshooting Guide.

A snowblower can keep stalling due to various reasons, such as clogged fuel filters or spark plugs. If you are experiencing issues with your snowblower stalling, it can be frustrating and time-consuming.

Several factors can cause a snowblower to stall, such as poor fuel quality, clogged fuel filter, worn spark plugs, or dirty carburetor. Additionally, an incorrect choke adjustment or improperly adjusted engine speed can cause a snowblower to stall. Taking preventive measures to maintain and service your snowblower can help avoid stalling problems in the future.

In this article, we will discuss the different reasons why snowblowers keep stalling and how to fix the issue. By following the tips mentioned in this article, you can keep your snowblower running smoothly and efficiently.

Why Your Snowblower Keeps Stalling: Troubleshooting Guide.

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Dirty Carburetor

A dirty carburetor can be a common issue when it comes to your snowblower stalling. One of the most noticeable symptoms of a dirty carburetor is difficulty starting the snowblower. Another symptom is decreased power and performance. You may also notice that the engine won’t idle.

Cleaning the carburetor can be done step by step with instructions. If cleaning the carburetor doesn’t work, replacing it is an option with step by step instructions as well. In order to prevent a dirty carburetor in the future, it’s important to regularly maintain your snowblower and not let old fuel accumulate.

By taking care of your snowblower, you can enjoy a winter season free of stalling mishaps.

Improper Fuel Mixtures

Proper fuel mixture is critical to the optimal performance of your snowblower. Difficulty starting the machine or decreased power output may indicate an incorrect fuel-to-air ratio. Excessive smoke coming from the exhaust also suggests that the mixture is incorrect. To check and adjust the fuel mixture, begin by locating the carburetor and adjusting its air mixture screw.

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Use a small screwdriver to turn the screw slightly until the machine is running smoothly. Change the fuel mixture once or twice a year, depending on usage. Use gasoline with no more than a 10% ethanol blend for best results.

Keeping a proper fuel mixture in your snowblower ensures that it continues to work effectively and efficiently, making it easier for you to clear snow from your driveway and walkways.

Ignition Problems

At times, starting your snowblower can be a difficult task. The engine may not have as much power as it should, or it might stall intermittently during use. Ignition issues are often to blame. The good news is that troubleshooting these problems and fixing them isn’t too difficult.

A reliable starting point is to carefully check the ignition system – you can follow step by step instructions to ensure nothing is out of place. If the problem is your spark plugs, they’re easy to replace if you follow the appropriate instructions.

Sometimes, these tasks may require the assistance of a professional. Knowing the trouble spots and addressing them quickly can ensure that your snowblower stays in good shape all winter long.

Mechanical Failure

Mechanical failures can be frustrating, but they’re not always easy to diagnose. One common issue is difficulty turning the auger. If your snowblower is experiencing decreased power or performance, it could be due to a worn drive or auger belt.

Stalling while using your snowblower is another sign of belt issues. Fortunately, inspecting the belts is a relatively simple task. Start by disconnecting the spark plug, then remove the belt cover. Check the belts for signs of wear or damage.

If they need to be replaced, follow these step-by-step instructions. Proper tension is crucial, so be sure to check and adjust the belt tension before using your snowblower again.


Maintaining a snowblower is crucial for smooth functioning. First, perform a quick visual inspection to ensure that all parts are in good condition before using the machine. Check the engine oil, spark plugs, and fuel levels to prevent stalling. Regular maintenance can be done at home such as lubricating key components and tightening bolts.

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However, a professional check-up should be done at least once a year. This will ensure that more complex components, including belts, cables, and bearings are in good condition. When in use, avoid pushing the snowblower above its limit, and regularly removing ice buildup to prevent excessive strain.

Following these maintenance tips will guarantee a well-functioning snowblower and a clean driveway.


After analyzing all the possible causes of snowblower stalling, we came to the conclusion that regular maintenance is the key to keeping your snowblower in good shape. Checking and cleaning the carburetor, air filter, spark plug, and fuel lines regularly can make a huge difference in preventing stalling issues.

It is also important to use the right fuel and oil in your snowblower. Don’t forget to properly store your snowblower during the off-season and follow the manufacturer’s instructions. In case you have tried all the troubleshooting steps and your snowblower still keeps stalling, it’s best to seek professional help instead of risking your safety and causing further damage to your equipment.

We hope this guide has helped you understand why your snowblower keeps stalling and how to prevent it in the future. Stay safe and happy snowblowing!