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Why Won't My Snowblower Start?

Nobody finds out his snowblower won’t start in the summer, when there’s plenty of time to fix it. Chances are you’re looking out your window right now at several inches or more of the white stuff. It’s possible you have pulled a muscle (or several) yanking on your snowblower’s rip-cord to no avail. At this point it’s critical you figure out why your snowblower will not start, and the fact you came to Repair Clinic means you’re still making good decisions, so let’s keep you on the right track. Look through the list of causes below. Once you figure out why your snow blower isn’t starting, you can order the replacement part and make the fix. Our videos and step-by-step instructions will explain how.
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Common solutions for: Snowblower won't start
Solution 1:
Spark Plug
Inspect the spark plug for signs of wear or damage. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark ...plug. To determine if the spark plug is defective, use a spark plug tester. You should see a strong spark between the tester’s terminals when the engine is cranking. If there is no spark, this indicates that the spark plug is defective and should be replaced.
Required Part
Snowblower Spark Plug
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Solution 2:
Carburetor
The carburetor might be clogged. 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 prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.
Required Part
Snowblower Carburetor
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Solution 3:
Carburetor Repair Kit
The carburetor might be clogged. 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 prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.
Required Part
Snowblower Carburetor Repair Kit
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Solution 4:
Flywheel Key
The flywheel key might have sheared in half. The flywheel key is a small metal piece which fits into the crankshaft and engages with the flywheel. If the snowblower engine stops suddenly due to hittin...g a hard object, the flywheel key breaks in half to prevent damage to the engine. To determine if the flywheel key is broken, remove the flywheel from the engine and inspect the flywheel key. If the flywheel key is broken, replace it.
Required Part
Snowblower Flywheel Key
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Solution 5:
Ignition Coil
The ignition coil sends voltage to the spark plug while the engine is running. If the ignition coil is defective, the engine may not start. Before replacing the ignition coil, ensure that the spark pl...ug is working properly. If you have confirmed that the spark plug is working properly, test the ignition coil with an ignition coil tester. If the ignition coil is defective, replace it.
Required Part
Snowblower Ignition Coil
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Solution 6:
Recoil Starter
When the starter rope is pulled and released, the recoil spring recoils the starter rope onto a pulley. If the recoil spring is broken, the rope won’t be able to recoil onto the pulley. As a result, t...he engine won’t start. Many recoil springs can be replaced individually, but it may be easier to replace the whole recoil starter assembly.
Required Part
Snowblower Recoil Starter
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