Craftsman Push Mower Won’t Start: Causes and Solutions

Craftsman push mowers are a popular choice for homeowners looking to maintain their lawns. However, there are times when these mowers may refuse to start. This can be a frustrating experience, especially when you are eager to get started with your lawn maintenance. In this article, we will take a closer look at the most common reasons why your Craftsman push mower won’t start and provide you with practical tips to get it back up and running in no time.

The purpose of this post is to provide helpful information to homeowners who are experiencing difficulty starting their Craftsman push mower. Our goal is to guide you through the diagnosis and repair process, so you can get your mower back in working condition as quickly and efficiently as possible. With this information, you will be able to take charge of the situation and avoid the expense and time of having to bring your mower to a repair shop.

Common Reasons Why a Craftsman Push Mower Won’t Start

Dirty Air Filter

One of the most common reasons why a Craftsman push mower won’t start is a dirty air filter. Over time, dust and debris can accumulate on the air filter, restricting the airflow to the engine. This can make it difficult for the engine to start, or cause it to stall once it has started. To diagnose this issue, you should remove the air filter and inspect it for signs of dirt or debris. If it is dirty, you should replace it with a clean one.

Fuel Issues

Another common reason why your Craftsman push mower won’t start is a fuel-related problem. This can range from stale fuel to a clogged fuel line. If you suspect that your mower’s fuel system may be the cause of the problem, you should check the fuel level and quality. If the fuel is stale or contaminated, you should drain it from the tank and replace it with fresh fuel. Additionally, you should inspect the fuel line for signs of clogging or damage.

Spark Plug Problems

A faulty spark plug can also cause your Craftsman push mower to refuse to start. Spark plugs are responsible for igniting the fuel in the engine, and if they are not functioning properly, the engine will not start. To diagnose this issue, you should remove the spark plug and inspect it for signs of wear or damage. If it is worn or damaged, you should replace it with a new one.

Carburetor Issues

The carburetor is responsible for mixing air and fuel in the right ratio to provide the engine with the proper fuel mixture. If the carburetor is dirty or clogged, it can cause the engine to fail to start or run poorly. To diagnose this issue, you should remove the carburetor and inspect it for signs of dirt or debris. If it is dirty, you should clean it or replace it if necessary.

Stale Fuel

Stale fuel can also be a common reason why your Craftsman push mower won’t start. Over time, fuel can deteriorate and become less effective, making it difficult for the engine to start. To avoid this issue, you should always store fuel in an airtight container and use it within a reasonable amount of time. Additionally, you should drain any leftover fuel from the tank at the end of the season to prevent it from becoming stale.

These are some of the most common reasons why your Craftsman push mower may not start. By understanding these issues and following the steps outlined in this article, you can diagnose and fix the problem quickly and easily.

Steps to Diagnose and Fix the Problem

A. Checking the Air Filter The first step in diagnosing the problem with your Craftsman push mower is to check the air filter. To do this, follow these steps:

  1. Locate the air filter: The air filter is typically located near the carburetor and can be easily removed.
  2. Remove the air filter: To remove the air filter, simply loosen the wing nut or clamp that holds it in place.
  3. Inspect the air filter: Once you have removed the air filter, inspect it for signs of dirt or debris. If it is dirty, replace it with a new one.
  4. Replace the air filter: To replace the air filter, simply insert the new one in the same location as the old one and tighten the wing nut or clamp.

B. Examining Fuel System If the air filter is clean, the next step is to examine the fuel system. To do this, follow these steps:

  1. Check the fuel level: The fuel level should be between the full and low marks on the fuel gauge.
  2. Inspect the fuel line: The fuel line should be free of any clogs or kinks. If it is clogged or kinked, replace it with a new one.
  3. Check the fuel quality: The fuel should be fresh and free of any contaminants. If it is stale or contaminated, drain it from the tank and replace it with fresh fuel.

C. Testing the Spark Plug If the air filter and fuel system are functioning properly, the next step is to test the spark plug. To do this, follow these steps:

  1. Locate the spark plug: The spark plug is typically located near the top of the engine and can be easily removed.
  2. Remove the spark plug: To remove the spark plug, simply loosen the spark plug wire and unscrew the spark plug from the engine.
  3. Inspect the spark plug: Once you have removed the spark plug, inspect it for signs of wear or damage. If it is worn or damaged, replace it with a new one.
  4. Replace the spark plug: To replace the spark plug, simply screw it back into the engine and tighten the spark plug wire.

D. Cleaning the Carburetor If the air filter, fuel system, and spark plug are all functioning properly, the next step is to clean the carburetor. To do this, follow these steps:

  1. Locate the carburetor: The carburetor is typically located near the air filter and can be easily removed.
  2. Remove the carburetor: To remove the carburetor, simply loosen the screws or clamps that hold it in place.
  3. Clean the carburetor: Once you have removed the carburetor, clean it using a carburetor cleaning solution or a can of compressed air.
  4. Replace the carburetor: To replace the carburetor, simply insert it back in the same location as the old one and tighten the screws or clamps.

E. Replacing Stale Fuel If the air filter, fuel system, spark plug, and carburetor are all functioning properly, the final step is to replace any stale fuel. To do this, follow these steps:

  1. Drain the stale fuel: To drain the stale fuel, simply remove the fuel cap and drain the fuel into a container.
  2. Replace the stale fuel: To replace the stale fuel, fill the fuel tank with fresh fuel.

Read also: Brand new craftsman 140cc lawn mower won’t start

Tips to Maintain Your Craftsman Push Mower

A. Regular Cleaning To keep your Craftsman push mower running smoothly, it is important to clean it regularly. Here are some tips for cleaning your mower:

  1. Clean the exterior: Use a damp cloth to wipe down the exterior of the mower to remove any dirt or grass clippings.
  2. Clean the air filter: As mentioned earlier, it is important to clean or replace the air filter to keep it functioning properly.
  3. Clean the deck: Use a stiff brush to remove any grass clippings or debris from the deck of the mower.
  4. Clean the wheels: Use a damp cloth to wipe down the wheels and remove any dirt or debris.

B. Proper Fuel Storage To keep your Craftsman push mower running smoothly, it is important to store the fuel properly. Here are some tips for storing fuel:

  1. Use fresh fuel: Only use fresh fuel and avoid using stale or contaminated fuel.
  2. Store fuel properly: Store fuel in a clean, dry container and away from heat sources.
  3. Add fuel stabilizer: Add fuel stabilizer to the fuel to help prevent it from going stale.

C. Regular Maintenance Checks To keep your Craftsman push mower running smoothly, it is important to perform regular maintenance checks. Here are some tips for performing maintenance checks:

  1. Check the oil level: Regularly check the oil level and add oil if necessary.
  2. Check the air filter: Regularly check the air filter and clean or replace it as necessary.
  3. Check the spark plug: Regularly check the spark plug and replace it if necessary.
  4. Check the blades: Regularly check the blades and sharpen or replace them if necessary.

D. Keeping the Blades Sharp To keep your Craftsman push mower running smoothly, it is important to keep the blades sharp. Here are some tips for sharpening the blades:

  1. Remove the blades: To sharpen the blades, remove them from the mower.
  2. Sharpen the blades: Use a sharpening tool or take the blades to a professional to have them sharpened.
  3. Balance the blades: After sharpening the blades, make sure to balance them to ensure they run smoothly.

By following these tips, you can ensure that your Craftsman push mower stays in good condition and continues to function properly for years to come.

Some Common Questions – FAQ

What should I do if my Craftsman push mower won’t start?

Answer: If your Craftsman mower won’t start, the first step is to diagnose the problem. Common reasons for this issue include dirty air filters, fuel issues, spark plug problems, carburetor issues, and stale fuel. You can check these items and try to fix the problem yourself, or take the mower to a professional for repair.

What are some common reasons for a push mower not starting?

Answer: Some common reasons for a push mower not starting include dirty air filters, fuel issues, spark plug problems, carburetor issues, and stale fuel. Checking these items is a good place to start when trying to diagnose the problem.

How do I check the air filter on my Craftsman push mower?

Answer: To check the air filter on your Craftsman push mower, locate the air filter cover and remove it. Inspect the air filter and clean or replace it as necessary. If it is dirty or clogged, it may be preventing air from entering the engine and causing it to not start.

What should I do if my spark plug is the cause of my mower not starting?

Answer: If your spark plug is the cause of your mower not starting, you will need to replace it. Make sure to use the correct spark plug for your mower, and consult the owner’s manual for instructions on how to replace it.

What steps should I take to maintain my Craftsman push mower?

Answer: To maintain your Craftsman push mower, you should perform regular cleaning, store fuel properly, perform regular maintenance checks, and keep the blades sharp. These simple steps can help ensure that your mower continues to function properly for years to come.

Read also: Craftsman Lawn Mower Won’t Start

Conclusion

Recap of Key Points

In this article, we have discussed the topic of a Craftsman push mower that won’t start. We have covered the common reasons why this problem may occur, including dirty air filters, fuel issues, spark plug problems, carburetor issues, and stale fuel.

We also went over the steps to diagnose and fix the problem, including checking the air filter, examining the fuel system, testing the spark plug, cleaning the carburetor, and replacing stale fuel. Finally, we discussed tips for maintaining your Craftsman push mower, including regular cleaning, proper fuel storage, regular maintenance checks, and keeping the blades sharp.

Final Thoughts and Recommendations

If your Craftsman push mower won’t start, it is important to diagnose and fix the problem as soon as possible. By following the steps outlined in this article, you can easily troubleshoot the problem and get your mower up and running again.

Additionally, by following the tips for maintaining your mower, you can ensure that it continues to function properly for years to come. If you are unable to diagnose or fix the problem yourself, it is recommended that you take your mower to a professional for repair.

With a little care and attention, your Craftsman push mower can provide you with years of reliable service.

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