Here Are 14 Reasons Why a Husqvarna Leaf Blower Won’t Turn On. FIXED IT!

I have experience with walk-behind, stand-on, backpack, and handheld blowers, but I prefer the portability of a handheld blower for quick cleanups and larger tasks.

If you’re looking for a backpack or handheld blower, Husqvarna has you covered. Though, like any fan, there are times when it won’t turn on.

When the air, fuel, or spark in a Husqvarna leaf blower are inadequate, the engine will not start. A dirty air filter, blocked spark arrestor, clogged fuel line, clogged fuel filter, dirty carburetor, bad spark plug, faulty ignition coil, worn recoil spring, or stale fuel could all be to blame.

Before attempting to fix the blower, make sure you have taken all the safety measures recommended in the manual. As part of this process, the spark plug wire must be disconnected. Wait for the blower’s engine to cool and for all moving parts to stop before attempting to disassemble it.

Husqvarna Blowe Starting

Causes of a Dead Husqvarna Leaf Blower

Changing out the wearable parts is a good first step if you haven’t serviced your leaf blower in a long time. Filters for air and fuel, as well as spark plugs, are among the components that require periodic upkeep.

A Failure To Start Results From Incorrectly Setting The Choke On a Husqvarna Blower.

To turn over a cold engine, the choke must be fully engaged. When the choke is in this position, it limits the amount of air that can be combined with the fuel to create combustion.

To release the fuel, press the purge bulb until it fills. Put the choke lever all the way in so it’s closed. Start the engine by pulling the starter handle several times until you hear clicking.

Activate the choke by moving the lever halfway between the closed and unlocked positions. In order to get the engine going, you need to pull the starter handle. When the engine is ready to run, turn the choke off by moving the lever.

The Husqvarna leaf blower will not start or stay running if the choke is not closed when the blower is cold and opened when it is warm.

A Husqvarna Blower Won’t Start Due to the Wrong 2-Cycle Oil Blend

Use a fuel mixture of 50 percent gasoline and 50 percent oil. The two-cycle engine in a Husqvarna blower requires oil to be mixed with the fuel.

Adding the proper amount of oil to the gas prevents the fuel from running too dry and the engine from seizing up, making it impossible to start.

Straight gas will cause irreparable damage to your leaf blower, which could necessitate the purchase of a new Husqvarna leaf blower.

Using unleaded gasoline with an octane rating of 89 or higher (mid-grade) and no more than 10% ethanol will ensure that your Husqvarna blower runs smoothly at the recommended 50:1 fuel mix ratio. Put in some ISO-L-EGD and JASO M345 FD approved 2-cycle premium oil like the Husqvarna oil they sell or an equivalent 2-cycle oil.

50:1 = one gallon of gas plus 2.6 fluid ounces. 2-cycle oil
50:1 = 2.5 gallons of gas plus 6.4 fl oz 2-cycle oil

Pre-mixed fuels, such as Husqvarna XP or TruFuel, are a great way to cut down on fuel-related issues and increase the lifespan of your engine. Ready to be poured into your leaf blower’s fuel tank, this oil and fuel blend does not contain ethanol.

Husqvarna Blower Won’t Start Due to Old Fuel and Oil Mix

Ethanol can be found in many varieties of gas sold at gas stations. An alternative fuel, it is typically derived from corn or other plants rich in starch. These additives are used to improve gas’s environmental friendliness.

Fueling your Husqvarna blower with ethanol may be a good choice for the planet, but it will damage your appliance. The presence of ethanol in a fuel system can have detrimental effects, such as the formation of gummy deposits and the attraction of moisture to the fuel itself.

Varnish left behind by degraded fuel can prevent enough fuel from reaching the engine, making it impossible to start the blower.

Never use fuel with an ethanol content higher than 10% due to the detrimental effects of ethanol. Avoid using E15 and E85 fuels, which can contain up to 15% and 85% ethanol, respectively.

For leaf blowers, it is recommended to change the fuel every 30 days or so. The fuel, the fuel system, and the moisture in the fuel can all benefit from the addition of a fuel stabilizer like Sea Foam Motor Treatment.

A fuel stabilizer is sometimes incorporated into 2-cycle oils. Additives vary in how long they can keep fuel from going bad; some can keep it stable for as long as two years. Don’t assume the oil you pick will stabilize the fuel for more than 30 days if it doesn’t say so on the label.

Stabilizers are not required if you use fuel that has already been mixed without ethanol.

Unable to start due to a clogged air filter, a Husqvarna blower

The engine needs air to start and stay running. Due to a lack of airflow, the engine will not start if the air filter has become clogged.

Before you start up your Husqvarna blower, make sure the air filter has been inspected and cleaned. The filter plays a critical role in keeping the engine safe, but a clogged filter can lead to overheating and costly repairs.

If it gets dirty, you should clean it, and if it gets very dirty or damaged, you should replace it. Instructions for cleaning your specific type of air filter are as follows:

  • How to clean the fiber air filter in a Husqvarna blower:
    • Taking it apart from its housing and giving it a good brushing should get rid of any dust or debris.
    • As an alternative, you can use a solution of mild dish soap and water to clean it. Lay flat to dry after rinsing under running water.
    • Clean the air filter housing and cover with a damp cloth before reinstalling.
    • If the filter is broken or very dirty, you should get a new one.
  • How to clean a foam primary filter from Husqvarna:
    • Take out the foam filter from the air filter.
    • Clean the housing and the cover thoroughly by wiping them down. Keep the air intake free of debris.
    • Use a mixture of warm water and mild dish soap to clean the foam filter.
    • The water should be clear after rinsing. You should lay the filter flat to dry after ringing out the water.
    • When the filter is dry, you can cover it with engine oil and then squeeze out any excess. Oil should not be dripping off of it. Foam filters used as the primary filter are the only ones to receive oil. It is not recommended to add oil to a pre-filter that is being used in conjunction with a standard paper air filter. The paper in the filter will get ruined if you do that.
    • Mount the new air foam filter.
    • Please replace the air filter cover.
  • How to clean the paper air filter and the foam pre-filter on a Husqvarna backpack blower:
    • Take out the air filter and the pre-filter.
    • Clean the air filter housing and cover with a damp rag to remove any lingering dust or debris. Keep the air filter clean and make sure no dust gets in.
    • The foam pre-filter can be cleaned in a solution of mild dish soap and water.
    • Please rinse until the water is clear. The filter should be wrung out and dried flat.
    • Be sure to check the air filter. A new one should be used if the old one is dirty. You can put it to use again if it is not.
    • Air filter installation and pre-filter drying are next.
    • Please replace the air filter cover.

Don’t ever risk damaging your blower by using it without a working air filter, no matter how short of a time you need to get the job done.

Engine wear and damage can be caused by allowing dust and other small particles to enter the engine. To put it simply, that tiny filter is keeping your engine safe.

Husqvarna Blower Won’t Start Due to a Dirty Spark Plug

Lack of spark at the spark plug, due to carbon or oil buildup, could prevent the blower from starting. The issue could also be caused by a loose wire, a faulty connection, a cracked porcelain electrode, an incorrect electrode gap, or even a burnt electrode.

Check the spark plug by removing it. If your spark plug is dirty or broken, you should get a new one. Install the spark plug boot firmly and adjust the gap as directed by the manufacturer.

In the event that the spark plug is otherwise healthy but dirty, you can try cleaning it with a wire brush.

Husqvarna Blower Won’t Start Due to Clogged Fuel Filter

The fuel filter serves a similar purpose to the air filter in that it keeps debris out of the fuel system.

Within the fuel tank, connected to the fuel line, is where you’ll find the fuel filter for your Husqvarna leaf blower. To prevent the fuel line from being contaminated by dirt and debris in the fuel tank, it strains the fuel as it enters the line.

Every year, the typical homeowner should also change out this filter. Follow these guidelines to inspect and replace your fuel filter:

Change the fuel filter on a Husqvarna leaf blower.:

  • Before removing the fuel cap, wipe the area around it to prevent dirt from entering the tank.
  • It’s time to take off the fuel cap.
  • Hook the fuel line with a clean, bent wire, and remove the fuel filter from the tank.
  • Pull the filter out of the fuel line while holding the fuel line and ring clip firmly in one hand.
  • Put in a new fuel filter by threading its male end into the fuel line and securing it with the ring clip.
  • After installing the filter, replace the fuel tank’s cap.

Husqvarna Blower Won’t Start Due to Broken Primer Bulb

If the primer bulb is cracked and won’t take fuel, the engine won’t be able to function properly because the carburetor won’t be fed. Get a new primer bulb and install it.

Husqvarna Leaf Blower Won’t Start Due to Clogged Fuel Line

Sticky deposits left behind by old fuel can clog up your Husqvarna leaf blower and prevent it from working. If the leaf blower’s fuel line is broken, bent, or clogged, you should replace it.

A Husqvarna Blower Won’t Start Due to a Clogged Vent in The Fuel Tank

Air can enter the tank via the fuel vent. Your Husqvarna’s gas tank will create a vacuum if there is no way for fuel to escape.

If your leaf blower runs for a while, but then loses power, shuts off, and won’t start again unless you remove the fuel cap to let air into the tank, this could be a sign of a fuel tank vent problem. When you take off the top, you may be able to hear the vacuum being let out.

After a few minutes of operation with the fuel cap in place, it shuts off again. The majority of Husqvarna blowers have a check valve in the fuel cap that allows the fuel tank to vent.

If your fuel cap is leaking or not venting properly, you should replace it.

A Husqvarna Blower’s Clogged Carburetor Prevents It From Starting.

The carburetor controls how much fuel is added to the air mixture before it enters the cylinder, where it is burned. The carburetor’s ability to do its job will deteriorate if you use old fuel, which will gum up and clog the device.

You should be able to clean the carburetor on your own if you have a passing familiarity with mechanics. Take apart the carburetor and clean it with carburetor cleaner.

However, if the carburetor still doesn’t work after being cleaned, you may need to either rebuild it or get a new one.

Dealers in small engines can also provide cleaning services. To be sure, inquire as to the cost of cleaning the carburetor, including any additional fees that may be incurred. Liken that to the process of swapping out a carburetor. There might not be much of a price difference.

A Husqvarna Blower Won’t Start Due to Faulty Recoil Starter

When you want to get your Husqvarna blower going, all you need is a recoil. It can be difficult to get going if the string comes untied. Recoil starts can also fail due to a faulty pulley, a missing or loose spring, or broken clips.

This recoil can be restrung by replacing the spring. It may be best to replace the entire recoil assembly if other parts, such as the clips or the pulley, are damaged and preventing it from working.

A Husqvarna Blower Won’t Start Due to Broken Ignition Coil

Ignition coils are prone to malfunction due to winding separation and subsequent shorting. This prevents the spark plug from receiving the voltage it needs to produce a spark. Your Husqvarna blower won’t turn on as a result.

Use an ohmmeter to check for a lack of continuity to determine if the ignition coil is malfunctioning. If you find a crack in the ignition coil, you should replace it.

An obstruction in the spark gap prevents the Husqvarna blower from starting.

A small screen, the spark arrestor is easily clogged with soot. Clogged spark arrestors prevent airflow, which can prevent the leaf blower from starting.

You can clean the spark arrestor with a wire brush after you remove it. You should get a new spark arrestor if cleaning the old one doesn’t work.

Husqvarna Blower Won’t Start Because It Got Wet

It’s also possible that the engine flooded after you tried to start it. This can occur if the starter rope is pulled an excessive number of times while the choke is closed.

Even with the power off, repeatedly pulling the starter rope or pressing the primer bulb can cause this.

How to Repair a Husqvarna Leaf Blower with a Flooded Engine

  • To activate, simply flip the switch.
  • To release the choke, you need to slide the lever to the “open” position.
  • In addition to repeatedly pulling the starter rope, you must also repeatedly press the throttle trigger. Five to fifteen pulls may be required before it begins. First, the motor on your leaf blower will sputter. You should be able to start it by pulling again and again for another two or three times.

More about: Husqvarna Leaf Blower