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Leaf blower won't start

Common solutions for: Leaf blower won't start

01 - 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
Leaf Blower Spark Plug
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02 - Carburetor
The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the leaf blower 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
Leaf Blower Carburetor
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03 - Carburetor Repair Kit
The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the leaf blower 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
Leaf Blower Carburetor Repair Kit
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04 - Recoil Starter
The recoil starter assembly engages the crankshaft to turn over the engine. If the recoil starter assembly is defective, the leaf blower won't start. Remove the starter assembly and inspect it to determine if it is working properly. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. If the recoil starter assembly is n...ot working properly, replace it.
Required Part
Leaf Blower Recoil Starter
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05 - Recoil Starter Pulley
The recoil starter pulley winds up the starter rope when the rope is not in use. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. As a result, the engine won't start. If the recoil starter pulley is broken, replace it.
Required Part
Leaf Blower Recoil Starter Pulley
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06 - Rewind Pulley and Spring
The rewind spring might be broken. When the starter rope is pulled and released, the rewind spring recoils the starter rope onto a pulley. If the rewind spring is broken, the rope won’t be able to recoil onto the chainsaw pulley. As a result, the engine won’t start. If the rewind spring is broken, replace it. Many rewind springs can be replaced individually, but it may be easier to replace the entire rewind pulley and spring assembly.
Required Part
Leaf Blower Rewind Pulley and Spring
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Common Solution

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