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If you’re like most homeowners, your lawnmower is a key part of your garden maintenance arsenal. But what happens when the mower’s battery runs out of juice and you get worried if your lawn mower loses power under load.
In this article, we’ll discuss some common problems with lawnmowers and how to troubleshoot them.
We’ll also provide tips on preventing these issues from happening in the first place, so you can keep your lawn mower running strong all season long.
Lawn Mower Loses Power Under Load – Save your Machine
If you’re an average homeowner who mows a fairly flat lawn, then you probably don’t have to worry much about your lawn mower losing power under load. But this can be a big problem if you’re one of those people with a large yard and hills. It will be fatal for you to face your lawn mower losing power under load.
If you have ever used a lawn mower, it can be quite powerful. But did you know that the average lawn mower can lose up to 60% of its power when it is under load?
There could be plenty of reasons if your lawn mower loses power under load. A few of these we will discuss here.
Possibilities of Loses Power of Lawn Mower
Engine
The main reason for this loss of power is that your engine cannot pull the entire weight of your mower up the hill without losing traction. The wheels will spin as you try to push forward, but they won’t move at all because of the lack of traction.
How to Fix
Change your blades! It would be best to make sure that your blades are sharp so they can cut through whatever they are cutting easily. If they are dull, they won’t be able to cut anything and will spin for no use until they break off in the ground.
Air Leakage
If you notice that your lawn mower begins to lose power when you start cutting the grass, there may be an air leak in the carburetor or fuel system. This problem may be caused by something as simple as a loose hose clamp or a dirty filter, but it could also be something more serious like a faulty spark plug or a damaged engine valve.
If you have an older model gas-powered unit with a carburetor instead of fuel injection, cleaning out the carburetor may solve this problem. If this does not work, you may need to replace the carburetor altogether.
Modern Gas-Powered
Most modern gas-powered units are equipped with computer-controlled fuel injection systems that are very difficult to adjust manually without specialized tools and training. If this happens on your unit, then it is best to take it to an authorized repair shop so they can diagnose the problem and make any necessary repairs.
How to Fix
The air filter is mounted inside the engine compartment on the side of the carburetor or fuel injection system. It resembles a cylindrical canister with a wire mesh screen on one end. The purpose of an air filter is to trap dirt and debris that may get sucked into your engine through its air intake system.
- To replace a clogged air filter in your Briggs & Stratton lawn mower, follow these steps:
- Shut off the mower’s engine and allow it to cool down before attempting any repairs.
- Remove the old filter by rotating it counterclockwise until it releases from its housing.
- Check for damage to the filter housing before installing a new one. If necessary, clean out any dirt or debris that may have accumulated inside the housing before reinstalling your new filter. You may need to use compressed air or an aerosol spray cleaner to remove the buildup.
A clogged muffler
When your lawn mower loses power under load, it’s usually due to a clog in the muffler or carburetor. The muffler and carburetor are located on the top of the engine, where you insert gasoline for fuel.
Step 1: Inspect the Muffler and Carburetor
Inspect parts for signs of damage from rocks and other objects that have come through the air filter and into the engine. If you find any problems, replace them before proceeding with further troubleshooting steps.
Step 2: Clean Out Any Debris From Inside the Engine
If you don’t find any damage inside either part, remove them from your lawn mower and clean them out using a hose and spray nozzle or compressed air to blow out any debris that may have accumulated inside them over time. Remove all old gaskets and seals before reinstalling these components onto your engine so they fit properly once again.
Ignition Issues
Your lawn mower’s ignition system is a critical component of the engine. It provides the spark needed to ignite fuel for it to combust. If any part of your ignition system fails, you’ll notice a loss of power under load when starting or running your mower. This is because there isn’t enough gas being sprayed into the cylinders for combustion to occur properly.
Spark Plugs
One potential problem with ignition systems is worn-out spark plugs. Spark plugs are regularly replaced, so they don’t get too dirty and fail to produce enough voltage for proper engine operation. If one or more spark plugs are worn out, your mower may lose power under load because only one plug is doing all the work instead of two or three working together.
Check Your Fuel Tank
A low fuel tank is the most common cause of a lawn mower that loses power under load. Check your fuel level regularly and fill it up whenever necessary. If you have an electric start mower and can’t check the fuel level, call someone who can come over and add gas for you.
Rust caused Tank Seal
This can happen if the fuel tank isn’t properly sealed or there’s rust inside the gas tank itself, which interferes with fuel flow through the carburetor.
A small amount of rust can cause problems because it plugs up small holes in fuel lines, giving less fuel pressure than your engine needs when it runs under load conditions such as hill climbing or pulling a heavy trailer up a steep incline on a hillside road.
Final words
In this blog, we are discussing an issue that many people face- their lawn mowers losing power under load. As outlined in the main points, this can be quite a frustrating experience as you end up having to go through a lot of tedious work to finish.
In this article post, we discussed every common problem homeowners face- a Lawn Mower that loses power under load. By following the simple troubleshooting tips outlined, you can get your lawn mower running like new again in no time!
