10 Causes of Husqvarna Leaf Blower Power Loss and Clogging

You are an expert on your own leaf blower. If it suddenly stops providing the electricity it once did, you should pull over, figure out what’s wrong, and fix it before you make things worse.

If the engine of your Husqvarna leaf blower isn’t getting enough air, gasoline, and spark, or if it overheats, it will lose power and stall.

Several factors can cause a Husqvarna leaf blower to lose speed and stall:

  • Used fuel
  • Air filter obstruction
  • Unclean spark plug
  • Badly soiled carburetor
  • Drained fuel filter
  • Damaged gasoline line
  • Broken gas tank cap
  • An overheated cooling system
  • Static discharge arrestor with plug
  • Clogging of the exhaust pipe due to carbon accumulation

10 Causes of Husqvarna Leaf Blower Power Loss and Clogging

Causes of a Dead Husqvarna Leaf Blower

An Outdated Fuel Blend in a Husqvarna Leaf Blower

The quality of the fuel you use in your Husqvarna leaf blower is crucial to its performance.

A little research about the proper fuel for your Husqvarna blower and the potential consequences of using the incorrect gasoline can help you make the best choice.

Burning gasoline in your Husqvarna leaf blower can have the following undesirable effects:

Ethanol is commonly found in gas. Using ethanol as a fuel additive has positive effects on the environment. Ethanol is better for the environment because it is a renewable fuel produced from plants.

This substance is safe to use in most automobiles, but it damages the little engine of a Husqvarna blower. Moisture in the air is drawn to ethanol.

Corrosion can occur if this moisture is allowed to build up in the fuel system. Because varnish and sticky deposits are left behind by ethanol and water, fuel flow is restricted and the carburetor becomes clogged.

Husqvarna blowers are sensitive to ethanol, thus it’s important to use fresh gas within 30 days. To protect petrol from going bad as quickly, use a gasoline stabilizer like Sea Foam Motor Treatment or STA-BIL.

Best Gasoline for Your Husqvarna Leaf Blower:

Husqvarna two-cycle leaf blowers need a 50:1 gas-to-oil mixture. Therefore, you should combine 50 percent gasoline with 1 percent motor oil.

You should get fuel with at least an 89 octane rating and no more than 10% ethanol. Use a two-cycle oil that has been approved by both ISO-L-EGD and the Japan Automotive Standards Organization’s M345 FD.

In case you’re wondering what gas or oil to put in your Husqvarna leaf blower, see this Husqvarna’s leaf blowers run on this specific variety of gas.

One way to fix your leaf blower is to dump out the old gas and fill it with new gasoline. Improve gasoline quality by using a fuel stabilizer like Sea Foam Motor Treatment, which also helps remove moisture and cleans the fuel system.

Husqvarna Blower With Clogged Air Filter

As dirt and debris from a leaf blower are blown into the air, the air filter will become clogged and reduce airflow.

Your Husqvarna may be experiencing a loss of power because of a clogged air filter caused by excessive dirt buildup.

Changing your air filter once a year and cleaning it multiple times during lawn maintenance season will help you avoid this issue.

If you discover that your Husqvarna air filter is clogged, the solution is to get a new filter. When compared to other parts of your system, filters are quite cheap. It plays a crucial role in keeping the motor safe.

Husqvarna makes a wide variety of air filters for their leaf blowers, and they come in a wide range of sizes and shapes. When a filter gets too dirty or gets damaged, it needs to be replaced. Should you decide to clean your filter, consider the following:

How to clean the fiber air filter in a Husqvarna blower:

  • Take it apart from its housing and brush off the dust
    • It can also be cleaned with a solution of mild dish soap and water. Flatten out to dry after rinsing thoroughly.
    • Clean the air filter housing and cover with a damp cloth before reinstalling.
    • If the filter is broken or very unclean, you should get a new one.
  • How to Maintain a Husqvarna Primary Foam Filter:
    • Take out the air filter foam and put it in the trash.
    • Get rid of any lingering grime in the housing and the cover by wiping them down. Keep the air filter free of dust and debris.
    • Use a mixture of warm water and mild dish soap to clean the foam filter.
    • Make sure the water comes out clean when you finish rinsing. Dry the filter by wringing out the excess water and setting it flat.
    • After the filter has dried, coat it with engine oil and squeeze away any excess. If it’s dripping with oil, that’s not good. (Only oil primary foam filters before using them. Do not put oil in your filter if it is a pre-filter that is used in conjunction with a paper air filter.
    • The paper filter will be ruined if you do this.
    • Replace the old air filter with a new foam one.
    • Securely fasten the filter cover back into place.
  • How to clean the paper air filter and the foam pre-filter on a Husqvarna backpack blower:
    • It’s time to take out the air and pre-filters from their housing.
    • Remove any lingering grime from the air filter housing and cover. Keep the air filter free of dust and debris.
    • Wash the foam pre-filter in a solution of mild dish soap and water to clean it.
    • Make sure the water comes out clean when you finish rinsing. Dry the filter by wringing out the excess water and setting it flat.
    • Check the air paper filter. Toss it out and get a new one if it’s filthy. If not, then it can be used again.
    • Air filter installation and pre-filter drying are next.
    • Securely fasten the filter cover back into place.

Spark Plug Debris in a Husqvarna Leaf Blower

If your Husqvarna blower suddenly stops working, check the spark plug. It is important to replace spark plugs that have been damaged or are a dark color owing to excessive dirt. Use a wire brush to clean your spark if it is in good shape but unclean.

Having your spark plugs changed every year will assist reduce the number of times you have to deal with spark plug problems during the season. Spark plugs are one of the cheapest parts that need replacing.

A bad spark plug can cause your Husqvarna’s power loss issues.

When a spark plug becomes dirty or damaged, the solution is to remove and replace it. Always follow the manufacturer’s recommended gap size when installing a new spark plug.

Fasten the boot onto the spark plug wire securely. Your blower may not turn on, run intermittently, or lose power if a wire is loosened.

An Unclean Husqvarna Blower Carburetor

Combustion is achieved by combining fuel and air in the cylinder, and the carburetor controls how much of each is introduced. The carburetor will stop working if you use old fuel because it will gum up and clog.

Clean your carburetor yourself if you’re at all mechanically inclined. The carburetor can be disassembled and cleaned using special cleaning.

After cleaning, if the carburetor still doesn’t work, you could have to repair it or get a new one.

It may be more cost-effective to purchase a new leaf blower than to replace the carburetor on an older model, depending on the age of the blower and the cost of the carburetor.

A Husqvarna Leaf Blower with a Clogged Fuel Filter

Your Husqvarna blower has a fuel filter to keep particles like dirt from getting into the fuel system by filtering it out as the fuel enters the fuel line.

A clogged gasoline filter is the result of infrequent replacement of the filter element.

This will reduce the fuel flow through the filter, which may be the cause of your blower’s diminished efficiency. It’s impossible to keep the engine from slowing down if it’s starved for gasoline.

If gas is not getting through your fuel filter and into your fuel line, you should replace it. The filter for the gasoline is housed in the tank itself.

Before you can access the filter, you’ll need to clean the area surrounding the gasoline cap to make sure nothing gets into the tank.

Take remove the tank’s fuel filter. A neatly curved piece of wire would do the trick. Take the gasoline filter out of the line.

Place the new fuel filter into the fuel line, then use the retention ring to fasten the fuel line to the filter. Install the fuel cap and place the filter inside the tank.

Husqvarna Leaf Blower with Blocked Fuel Line

Using outdated fuel in your leaf blower might leave sticky residues that clog the fuel line. There was a possibility that clogs in the fuel system were brought on by dirt that had made its way in there.

Because of this, the engine may not get enough fuel and lose power.

Check for obstructions in the fuel line as this could be the cause of the problem. In the event that your gasoline line has become blocked, kinked, or cracked due to age, you should have it replaced.

A Husqvarna Leaf Blower with Blocked Fuel Tank Vent

Air must be able to enter the fuel tank as gasoline is used. If the Husqvarna’s vent is blocked, a vacuum will create inside the tank, preventing fuel from escaping.

The gasoline tank vent is a portion of the fuel cap on most Husqvarna leaf blowers.

If your Husqvarna blower is losing power and bogging down, setting it down on a flat surface is the answer. Let the blower run with the fuel cap loosened.

Blowers that run more slowly and lose power once air is introduced to the fuel tank generally have a blocked fuel tank vent. Change the gas cap.

Husqvarna Leaf Blower with Blocked Cooling Vents

The blower’s tiny engine is ventilated to prevent overheating. Overheating reduces efficiency and may even destroy the engine.

CLEANING The air intake, flywheel, cooling fins, and engine cover are all parts of the cooling system that should be regularly inspected and cleaned.

A Husqvarna Leaf Blower with a Clogged Spark Arrestor

A spark arrestor is a tiny metal screen installed in the exhaust pipe to catch stray sparks before they may ignite the exhaust gas.

When carbon deposits build up in the spark arrestor, your Husqvarna blower may lose power and refuse to rev up to their full potential.

Disconnecting the spark plug wire is the answer. You should hold off on starting the car until the engine has cooled down. Take off the spark suppressor screen very cautiously. Use a wire brush to scrub the screen.

A new Husqvarna spark arrestor screen should be used if cleaning the old one doesn’t work or if you discover it’s been damaged or has a hole in it.

The Husqvarna’s Exhaust Port Is Clogged With Carbon

There may be an issue with your leaf blower’s operation due to carbon deposits in the exhaust port situated behind the muffler. If you want to keep your blower in good shape, have a qualified mechanic inspect and clean this region often.

If you want to try to clean the exhaust port, you should first remove the spark plug wire. As soon as that’s out of the way, you may take apart your engine by removing the lid, the muffler, and the heat shield.

See if you can get the port covered by adjusting the piston. It will prevent any carbon from entering the cylinder.

To clean the carbon buildup from the exhaust port, use a plastic scraper. In no way should a metal implement be used. Make that the piston and cylinder remain scratch-free.

When Should You Take Your Husqvarna Leaf Blower to a Mechanic?

If your Husqvarna leaf blower still doesn’t have power after you’ve examined the aforementioned items, it’s time to take it to a pro for diagnosis and repair.

However, you might not feel confident fixing your own blower if it breaks down. To each their own. This is why the Husqvarna shop near you has small engine mechanics available.

Think about how much time it will cost for the mechanic to figure out what’s wrong. The cost of diagnosis is normally flat-rate, and subsequent repair costs include both labor and parts.

If you’re using a cheap, ancient leaf blower that’s on its final legs, this might not make much sense. If you receive a diagnostics charge for a leaf blower that may not be fixable, this is something to keep in mind.

It’s up to you to decide whether or not to have a mechanic fix your Husqvarna leaf blower. Whether to repair or replace your current leaf blower is a decision that needs to be made based on a number of factors, including the age, quality, and reliability of the unit in question.