Having a properly functioning air filter is a gas-powered lawn mower’s first line of defense against the dirt and debris that is kicked up during the mowing process. When the air filter is in good condition and working properly, it prevents dirt from entering the engine through the carburetor.
What happens if I run my lawn mower without an air filter?
The Lawnmower Won’t Start With The Air Filter On It
A dirty air filter will prevent air from going into the engine, so combustion will not occur, and the lawnmower will not start. The engine may also fail to work if the air filter is damaged or fitted improperly, or if the gasket has a fault.
Can a dirty air filter cause a lawn mower not to start?
Your lawn mower’s air filter guards the carburetor and engine from debris like grass clippings and dirt. When the air filter becomes clogged or too dirty, it can prevent the engine from starting.
What happens if your air filter is bad?
If your air filter gets too dirty or clogged, your engine won’t be able to suck enough air into the combustion chambers. The engine will then run rich (i.e., too much gas and not enough air). When this happens, your car will lose power and run roughly. Your Check Engine light also may come on.
How long does a lawn mower air filter last?
Most people will need to change their lawn mower air filter one time per season. However, if you have a very large yard, or often mow your neighbors lawns, you may have to change it more frequently. The rule of thumb is that your filter should last for 300 hours of operation.
Can I mow without an air filter?
Warning. Do not operate the mower without an air filter as serious engine damage can occur.
How often should you change air filter on lawn mower?
A lawn mower’s air filter keeps dust and other particles from entering your engine. The mower filter should be replaced every three months to keep your lawn mower engine and parts running smoothly.
What are the signs of a bad air filter?
8 Dirty Air Filter Symptoms: How to Know When to Clean Your Air Filter
- Air Filter Appears Dirty. …
- Decreasing Gas Mileage. …
- Your Engine Misses or Misfires. …
- Strange Engine Noises. …
- Check Engine Light Comes On. …
- Reduction in Horsepower. …
- Flames or Black Smoke from Exhaust Pipe. …
- Strong Fuel Smell.
Can lawn mower air filters be washed?
The first thing to do is make sure the lawn mower is off. Then pull the spark plug cord off to prevent any kind of accidents while you’re working on it. Next, remove the air filter housing. Once removed, wash the air filter in hot water and use liquid soap as its good for cutting through grease.
Will lawnmower start if air filter is wet?
If it got wet because of the rain, all you need to do is to start your lawn mower and let it run for a few minutes. This way, it can dry on its own because the engine is producing heat. This can also prevent it from rusting. You can also leave it in the sun to dry for a few hours, then run it for several minutes.
How long do engine air filters last?
Check your owner’s manual; it should tell you when your air filter should be replaced. This is generally every 12,000 to 15,000 miles, depending on your vehicle. If you have driven more than that since the last time you replaced the air filter, it’s probably time to get it changed.
How dirty should an air filter look?
Air filter looks dirty
A brand new air filter is a white / off-white colour, which will slowly darken as it accumulates dust and dirt over time. A visual inspection of your air filter under bright light will show a lot of dirt, but not all the tiny particles can be easily seen.
Will a new air filter improve performance?
Replacing a clogged air filter can increase fuel efficiency and improve acceleration, depending on your car make and model. When you realise that, it makes sense to regularly replace your air filters.
Does AutoZone sell lawn mower air filter?
Small engine filters, such as fuel and air filters, act as performance replacements just like those you would install under the hood of your daily driver. Other basic AutoZone parts include fuel hoses, shut off valves, spot lights, and tools to have your small engine running at peak performance for years to come.