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Sean NelsonSep 1, 2025
How to fix a loose spark plug on a Husqvarna Chainsaw?
- DDavid YoungSep 2, 2025
If the spark plug on your Husqvarna Chainsaw is loose, tighten the spark plug.

How to fix a loose spark plug on a Husqvarna Chainsaw?
If the spark plug on your Husqvarna Chainsaw is loose, tighten the spark plug.
What to do if my Husqvarna 545G Mark II engine starts but stops again?
If your Husqvarna Chainsaw engine starts and then stops, several factors could be responsible. The fuel tank may contain incorrect fuel; drain the fuel tank and fill with the correct fuel. The air filter may be dirty; clean or replace the air filter. The fuel filter may need replacing; replace the fuel filter.
What to do if Husqvarna 545G Mark II Chainsaw starts but stops again?
If your Husqvarna Chainsaw starts but then stops, the issue could stem from several causes. Ensure you are using the correct fuel type; if not, drain the tank and replenish with the appropriate fuel. A clogged air filter can also cause this problem, so clean or replace it. Similarly, a clogged fuel filter should be replaced. If the idle speed is incorrect, you should consult your servicing dealer.
Why Husqvarna Chainsaw engine does not start?
If your Husqvarna Chainsaw engine won't start, several factors could be at play. First, ensure you're using the correct fuel type; if not, drain the tank and refill. A dirty or wet spark plug can also prevent ignition, so clean and dry it. A loose spark plug should be tightened. An incorrect electrode gap requires using the recommended spark plug type, consulting the technical data for the correct gap. If the engine is flooded from repeated choke use, remove and clean the spark plug, lay the chainsaw on its side with the spark plug hole facing away, pull the starter rope 6-8 times, then reassemble the spark plug and try starting again. Also, check if the starter pawls are blocked; if so, adjust or clean around them, or consider replacing them.
How to fix a Husqvarna 545G Mark II when the engine does not start because of blocked starter pawls?
If the engine of your Husqvarna Chainsaw does not start, the starter pawls might be blocked. Try adjusting or replacing the starter pawls. Also, ensure the area around the pawls is clean. For further assistance, it's recommended to speak with an approved service workshop.
Why does my Husqvarna 545G Mark II Chainsaw engine not start?
If your Husqvarna Chainsaw engine doesn't start, it might be due to several reasons. You may have used the incorrect fuel type, in which case you should drain the fuel tank and refill it with the correct fuel. The spark plug could be dirty or wet; ensure it is clean and dry. Also, check if the spark plug is loose and tighten it if necessary. If the engine is flooded due to repeated starts with full choke, remove and clean the spark plug, lay the chainsaw on its side with the spark plug hole facing away from you, and pull the starter rope 6-8 times. Then, reassemble the spark plug and attempt to start the chainsaw.
What to do if my Husqvarna 545G Mark II engine does not start?
If your Husqvarna Chainsaw engine does not start, several factors could be the cause. The starter pawls may be blocked, requiring adjustment or replacement. Ensure the fuel type is correct by draining the tank and refilling it. Check the spark plug; it should be clean and dry. Also, make sure that the electrode gap is correct and that the spark plug is tightened. If the engine is flooded due to repeated starts with full choke, remove and clean the spark plug, lay the chainsaw on its side with the spark plug hole facing away from you, pull the starter rope handle 6-8 times, then reassemble the spark plug and attempt to start the chainsaw.











