How to Fix a Lawn Mower That Won’t Start: Troubleshooting and Repair

Introduction

Maintaining your lawn mower is an important part of keeping your yard looking great. But what happens when your lawn mower won’t start? Don’t panic – there are several steps you can take to troubleshoot and fix the problem. This article will help you understand the most common causes of a lawn mower that won’t start and provide step-by-step instructions for troubleshooting and repairing it.

Troubleshooting the Fuel System

The first step in troubleshooting a lawn mower that won’t start is to check the fuel system. The following steps will help you identify any potential fuel-related issues:

• Check fuel level: Make sure that there is enough fuel in the tank to power the engine. If the fuel is low or empty, fill it up and try starting the mower again.
• Inspect fuel lines for clogs or leaks: Check the fuel lines for any signs of blockages or leaks. If you find any, replace the fuel lines and try starting the mower again.
• Examine fuel filter for blockage: Inspect the fuel filter for any signs of blockage. If the filter is clogged, replace it and try starting the mower again.

Inspect and Replace Spark Plugs

The next step in troubleshooting a lawn mower that won’t start is to inspect and replace spark plugs. The following steps will help you determine if the spark plugs need to be replaced:

• Remove spark plugs using a ratchet and socket: Use a ratchet and socket to remove the spark plugs from the engine. Be sure to keep track of which plug goes where.
• Check condition of spark plugs: Examine the spark plugs for any signs of wear or damage. If they appear worn or damaged, they should be replaced.
• Replace spark plugs if necessary: If the spark plugs need to be replaced, use a ratchet and socket to install new plugs. Be sure to use the correct type of spark plug for your lawn mower.

Check Air Filter

The next step in troubleshooting a lawn mower that won’t start is to check the air filter. The following steps will help you determine if the air filter needs to be replaced:

• Remove air filter housing: Use a wrench to remove the air filter housing from the engine. Be sure not to lose any of the screws.
• Check condition of air filter: Inspect the air filter for any signs of wear or damage. If the filter appears dirty or damaged, it should be replaced.
• Replace air filter if necessary: If the air filter needs to be replaced, use a wrench to install a new filter. Be sure to use the correct type of air filter for your lawn mower.

Clean Carburetor

The next step in troubleshooting a lawn mower that won’t start is to clean the carburetor. The following steps will help you clean the carburetor:

• Remove carburetor from engine: Use a wrench to remove the carburetor from the engine. Be sure not to lose any of the screws.
• Disassemble carburetor to inspect parts: Carefully disassemble the carburetor in order to inspect all of the components. Look for any signs of wear or damage.
• Clean carburetor components: Carefully clean all of the components of the carburetor using a small brush and carburetor cleaner. Make sure to pay special attention to any areas that may have debris or buildup.
• Reassemble carburetor: Reassemble the carburetor and reinstall it onto the engine. Be sure to use the correct type of gaskets and seals.

Replace Ignition Coil

The last step in troubleshooting a lawn mower that won’t start is to replace the ignition coil. The following steps will help you determine if the ignition coil needs to be replaced:

• Remove ignition coil from engine: Use a wrench to remove the ignition coil from the engine. Be sure not to lose any of the screws.
• Check condition of ignition coil: Inspect the ignition coil for any signs of wear or damage. If the coil appears worn or damaged, it should be replaced.
• Replace ignition coil if necessary: If the ignition coil needs to be replaced, use a wrench to install a new coil. Be sure to use the correct type of ignition coil for your lawn mower.

Conclusion

If your lawn mower won’t start, don’t panic. With some basic troubleshooting and repair skills, you can get your mower running again in no time. The steps outlined in this article should help you identify and fix the most common causes of a lawn mower that won’t start. From checking the fuel system to replacing the ignition coil, these steps will help you get your lawn mower back up and running in no time.