Black+Decker Lawn Mower Won’t Start (SOLVED)

Common Reasons for Black+Decker Lawn Mower not Starting

Lawn mowers definitely come in handy, but what if your Black+Decker lawn mower refuses to start? Here are some common reasons that can be the culprit of this pesky issue.

To find out why your Black+Decker lawn mower won’t start, follow these six steps:

  1. Check the gas level and fill up if needed.
  2. Clean or replace the air filter.
  3. Inspect spark plug for wear and tear.
  4. Clean or change spark plug if necessary.
  5. Disengage the safety features, such as brake/clutch pedal, before attempting to start again.
  6. Finally, check the blade for any obstructions before starting.

It’s worth noting that ensuring these six aspects are in order might not always guarantee a smooth start-up. Certain models may require additional diagnostic checks from a professional technician.

When it comes to Black+Decker lawn mowers, improper usage storage conditions can cause startup problems too. By keeping your mower clean and dry after every use and storing it in a cool environment, you minimize issues related to rusting and interior water damage.

According to Consumer Reports, regular maintenance of both battery-powered and gas-powered mowers can help prolong their longevity.

Looks like your lawn mower needs a better charge than Lindsay Lohan in court.

Battery Related Issues

To troubleshoot ‘Black+Decker Lawn Mower Won’t Start’ with battery-related issues, follow these tips for ‘Dead battery’ and ‘Battery terminals.

Dead battery

A battery that fails to hold or accept a charge is a situation that most drivers face commonly. This problem, commonly referred to as ‘Battery Depletion,’ can result from many factors leading to long periods of inactivity or extreme temperatures.

Car owners are advised to undertake regular maintenance of their batteries, including the removal of corroded zinc terminals and cleaning the acid buildup around the cables.

To prevent battery depletion, it’s also essential to ensure electricals are turned off when not in use and making sure the headlights are not left on for more than two minutes when starting the vehicle. If your battery discharges faster than you can recharge it, you should consider having it replaced by a professional mechanic or auto shop.

If you’re storing your vehicle for prolonged periods, disconnecting all electricals will help prolong the life of your battery. It’s recommended to remove the unit from under the hood and store it in a chilled location if this is likely to last longer than a month.

Pro Tip: A stable resting voltage range of 12.4~12.8 volts indicates a functional car battery- anything else requires inspection by an authorized mechanic.

Good news, the battery terminals are not a political party, so they won’t be dividing anytime soon.

Battery terminals

The contact points connecting the battery to the vehicle’s electrical system are crucial for its efficient performance. These points are known as Battery Connections and are essential for proper functioning.

  • Corrosion of battery terminals can cause poor connections.
  • Loose attachments between the cables and terminals can also lead to malfunctioning.
  • Damaged or broken terminals will prevent current flow.
  • Excessive heat, vibration, or dirt accumulation around the battery terminals may also disrupt their effectiveness.

It is important to clean the battery connections with a wire brush and ensure they are tight. Also, proper protection against moisture and dirt build-up helps in maintaining efficiency.

Pro Tip: Routine checks of battery connections ensure optimal performance and longevity of both the battery and vehicle’s systems.

For cars that run on bad puns, running out of fuel is never a problem.

Fuel Related Issue

To troubleshoot a fuel-related issue with your Black+Decker Lawn Mower that won’t start, examine the fuel tank and fuel filter. Both of these potential culprits could be the reason for the mower’s failure to start.

Empty fuel tank

A fuel-related issue that drivers often experience occurs when the vehicle runs out of gasoline. This situation is commonly referred to as a depleted fuel reservoir, and it can pose a significant threat to the automobile’s operating systems. When the tank empties, fuel pumps are unable to extract any more fluid, which can cause damage to the vehicle’s injectors or other components such as the engine. Therefore, regularly refuelling your automobile is required.

It should be noted that allowing the gas tank to run low frequently can result in dirt and debris being drawn into the engine, lowering its efficiency over time. Overburdened engines use more oil and emit more smoke while producing a strange sound. There are also concerns about condensation developing inside an empty tank, which may result in rusting.

In severe cases, running out of fuel on highways or busy roads might create hazardous circumstances for both automobiles and people. It is necessary to have enough gas in your car for safe driving at all times.

According to reports, thousands of drivers across several countries frequently experience empty fuel tanks during their trips due to lack of preparation or overconfidence in experiencing how much petrol they have before leaving home. Ultimately, running out of fuel is avoidable if motorists follow precautionary measures and routinely check their automobile’s petrol levels before venturing out on longer journeys.

Changing your fuel filter is like getting a colonoscopy for your car – uncomfortable, but necessary for a healthy engine.

Fuel filter

A fuel filtration system plays a crucial role in ensuring that your vehicle runs smoothly. The filtration process helps to keep contaminants and impurities out of the fuel supply, ensuring proper combustion.

  • Fuel filters come in various shapes and sizes, but their primary function remains the same – to filter the fuel coming from the gas tank before it reaches the engine.
  • Over time, the fuel filter can become clogged with dirt and debris. This can cause a decrease in power, poor acceleration, stalling, and even engine damage.
  • Last but not the least, replacing your fuel filter regularly is essential to maintaining optimal performance and preventing potential issues. Consult your vehicle manual or mechanic for specific recommendations on when to replace your specific model’s fuel filter.

Regular maintenance of your fuel filtration system can help prevent unwanted breakdowns or issues while on the road. Keep an eye on any unusual symptoms coming from your engine as they could be caused by a blocked or damaged fuel filter.

Pro Tip: When replacing your fuel filter, make sure to disconnect the battery terminals beforehand to reduce any electrical hazards caused by sparks during replacement.

Spark plug problems? Sounds like your car needs a therapist.

Spark Plug Issues

To solve spark plug issues with your Black+Decker lawn mower, consider the sub-sections of old or dirty spark plugs and faulty spark plugs. Each of these problems can keep your lawn mower from starting and may require different solutions.

Old/dirty spark plug

The Importance of Regular Spark Plug Maintenance

Spark plugs play a critical role in the internal combustion engine by igniting the fuel mixture in the combustion chamber. An old/dirty spark plug can cause several issues that hinder engine performance, leading to reduced power, decreased fuel efficiency and misfires.

Here are six ways old/dirty spark plugs can impact your vehicle’s performance:

  • Difficulty starting the engine
  • Reduced acceleration
  • Inconsistent idling
  • Engine misfires and poor fuel economy
  • Rough engine runs
  • Catalytic converter damage due to unburned fuel reaching it.

Regularly cleaning or replacing your vehicle’s spark plugs according to manufacturer recommended intervals can keep numerous car problems at bay.

However, it’s important to note that other issues like a defective ignition coil or incorrect timing could also mimic symptoms of worn out spark plugs. So, consult with a professional mechanic for an accurate diagnosis.

To avoid bigger issues down the road, it’s best to replace worn out or damaged parts such as faulty wires, dirt-clogged air filters, and poor quality gasoline. This will help prevent wear and tear on your spark plugs and keep them functioning optimally. Replacing your old/dirty spark plug with a new one is relatively inexpensive compared to extensive repairs later on.

By regularly maintaining your vehicle including spark plugs, you can ensure improved gas mileage, better overall performance, and extend your car life.

When your engine starts sounding like a hiccuping hyena, it’s time to check for a faulty spark plug.

Faulty spark plug

A spark plug that is not functioning optimally can lead to engine misfires, reduced power, and decreased fuel efficiency. This issue may arise due to a worn-out electrode, damaged insulator, or improper gap between the electrodes. In such cases, it is imperative to replace the faulty spark plug immediately to prevent further damage and ensure seamless engine performance.

If the issue persists even after replacing the spark plug, one may need to check for other underlying causes such as a malfunctioning ignition coil or a clogged air filter. Neglecting such issues can cause severe damage to the engine in the long run.

It’s important to note that proper maintenance and regular checks of spark plugs can prevent such issues from arising in the first place. One should always refer to the manufacturer’s recommendations regarding replacement schedules and type of spark plugs required for their vehicle.

Pro Tip: Always use high-quality spark plugs that are engineered specifically for your vehicle to ensure optimal performance and longevity of the engine.

Looks like the car’s got more issues than a celebrity on Twitter.

Other Mechanical Faults

To troubleshoot other common mechanical faults with your Black+Decker lawn mower, use this solution with sub-sections of broken starter cord and clogged air filter.

Broken starter cord

Beginning the engine of your machine can be quite difficult, especially when the mechanical fault relates to a damaged cord starter. A faulty starter cord can make it impossible or more difficult than usual to start the engine.

Here is a 5-step guide on how to deal with a damaged starter cord:

  1. Remove the cover of the starter coil.
  2. Unwind and remove any remaining unwound rope from around the pulley of the rotor.
  3. If necessary, cut off any broken ends from inside the rotor before attaching a new pull-rope into its grooves.
  4. Insert one end of your new pull-rope into one of the starter holes and then knot that end so that it remains fixed in place.
  5. Wrap your rope tightly around pulley several times as has been shown by previous wrap pattern, attach end back in Starter assembly cut off excess and finally replace housing cover.

It is essential to be mindful of where you purchase replacement pull-ropes from; increasingly popular brands may supply substandard quality products.

Do not panic at the thought of experiencing mechanical faults with your generator, instead visit an experienced technician who can regularly check-up on and maintain components such as blades and braking mechanisms among others.

Ensure you are up-to-date on preventative measures to guarantee longer-lasting equipment durability and avoid costing yourself more money in mishaps later along in life.

If your car is a smoker, it’s probably time to change the air filter.

Clogged air filter

A blocked or obstructed air filter in a mechanical system can restrict airflow and cause your machine to underperform. Dust and debris can accumulate over time on the filter, affecting its efficiency. This can lead to higher fuel consumption, reduced overall performance, and accelerated wear and tear on engine parts. Regularly inspecting and changing your filter is vital in maintaining optimal functionality of your equipment.

To prevent clogged air filters, check them periodically for excess dirt and debris build-up. If you notice substantial accumulation or other signs of obstruction –such as low power output– it may be time to replace the filter. Investing in a high-quality filter can also lengthen its lifespan, reducing maintenance costs over time.

In addition to the above information, it’s important to note that neglecting air filter maintenance can have costly consequences beyond equipment repair or replacement expenses. According to studies conducted by the Environmental Protection Agency (EPA), engines with dirty filters use up to 10% more fuel than clean ones – resulting not only in increased operating expenses but also higher emissions output. Keeping your air filters clean will benefit both your finances and the environment alike.


  • US EPA Office of Transportation and Air Quality, “Effects of Dirty Air Filters.”

Get ready for some DIY detective work with these troubleshooting steps, because your car isn’t going to fix itself…unless you believe in magic.

Troubleshooting Steps

To troubleshoot the problem of your lawn mower not starting, you need to follow certain steps under the ‘Troubleshooting Steps’ section with ‘Check battery, Inspect fuel system, Check spark plug and Examine for other mechanical faults’ as your solutions. These sub-sections will help you in understanding the problem and finding the solution for your lawn mower.

Check battery

To ensure optimal functionality, assess the battery of your device. A deficient cell may impede performance and reduce battery life.

Follow these four steps to check your battery:

  1. Power off your device completely.
  2. Connect the charger to the device and wait for the battery icon to appear.
  3. Monitor the battery icon for any irregular fluctuations in charging or discharging speed.
  4. If there is no change, try a different charger or examine the charging port for damage.

Remember that regular maintenance of your device’s battery is crucial and can prevent catastrophic failure.

As you continue troubleshooting, keep an eye on potential future issues- address them preemptively before they cause large-scale damage to your device. Act now to avoid FOMO- fear of missing out on critical moments due to a faulty gadget.

Checking for fuel leaks is like playing hide and seek, except the fuel isn’t very good at hiding and you definitely don’t want to find it.

Inspect fuel system

It’s essential to verify the performance of every facet concerning fuel systems. This includes ensuring fuel delivery and pressure, as well as inspecting for leaks and clogs, which may lead to engine failure.

Here are four steps to guide you in inspecting your fuel system:

  1. Examine the Filter: Check the fuel filter by opening the cap and replacing or cleaning the filter if it’s dirty.
  2. Measure Fuel Pressure: Use a fuel pressure gauge to test fuel pressure accurately. Make sure you follow exact factory specifications for your automobile.
  3. Survey for leaks: Check all connections, hoses, and fittings for any signs of wear or cracks. This can result in an air leak that may cause rough idling, performance problems or stalling
  4. Check Fuel Injectors: The injectors must be turned on before checking if they spray when exposed to the air once connected. If one or more aren’t spraying correctly, it requires flushing or replacing

Inspect thoroughly but keep in mind that excessive tinkering may cause new complications, so be careful.

Ensure maintaining safety precautions when examining a car’s fuel system.

Fact – The Bureau of Transportation Statistics stated that trucks transported over $12 trillion worth of freight throughout 2019 alone.

Don’t blame the spark plug for not sparking, maybe it’s just having a bad hair day.

Check spark plug

When diagnosing engine problems, it’s important to inspect the component responsible for igniting the fuel-air mixture. This can be achieved through a diagnostic check of the ignition system. One crucial step is to verify the efficacy of the ignition spark by examining the spark plug.

To check your spark plug, follow these 6 simple steps:

  1. Pull out the wires connected to each spark plug one by one.
  2. Remove any debris around the area of examination to ensure you can see it clearly.
  3. Use a socket wrench to remove each spark plug carefully and gently from each cylinder head.
  4. Clean off any residue or buildup that may have accumulated on the surface of your spark plug with a wire brush or compressed air gun
  5. Examine each individual plug carefully to make sure there are no cracks in the porcelain insulator and that its electrode is free of damage/ erosion.
  6. A properly functioning and moisture-free spark plug should have an electrode that appears ashy grey rather than oily black or wet with moisture before swapping new plugs on if needed, re-examine functionality before discarding them away properly

It’s important to remember that replacing damaged or faulty spark plugs regularly increases performance while also reducing harmful emissions.

While checking your spark plugs, keep in mind that other components like dirty air filters can also reduce engine performance. Therefore, do a thorough inspection of all related parts before moving onto another system check.

Mechanics recall having trouble fixing vehicles where malfunctioning condensers were mistaken for bad wiring and vice versa. A cautious investigation will help prevent reoccurrence of such errors caused by not checking all relevant engine components thoroughly.

Looks like your machine needs a full-body MRI, not just a quick check-up for mechanical faults.

Examine for other mechanical faults

When analyzing a faulty mechanical system, it is essential to check for any other underlying issues that could be causing the problem.

Here are the steps you can take to examine for other mechanical faults:

  1. Start by doing a visual inspection of the machinery and identify any visible damage.
  2. Check for any signs of wear and tear on moving parts of the equipment.
  3. Test electrical connections and components that could be contributing to the issue.
  4. Review user manuals, schematics, and technical data sheets to ensure proper usage and maintenance.
  5. Last but not least, use specialized diagnostic tools such as thermography or vibration analysis to detect hidden problems accurately.

As you examine other mechanical faults, pay special attention to the details that could have been overlooked in paragraph 2. Keep in mind that identifying all performance issues will help prevent future breakdowns and maximize equipment lifespan.

Don’t risk overlooking crucial mechanical faults that could cause further disruptions. Act now before it’s too late. Implement these troubleshooting steps regularly to avoid missing out on potential solutions for your machinery.

Want to avoid future problems? Treat your equipment like you would your in-laws: with the utmost care and regular maintenance.

Maintenance tips to avoid future problems

To avoid future problems with your Black+Decker lawn mower as solved in the previous section, here are some maintenance tips to keep in mind. Keep the machine clean, regularly check the oil level, clean/replace the spark plug, and ensure proper handling of the machine. These sub-sections will provide you with the solution to keep your lawn mower running smoothly.

Keep the machine clean

To ensure the longevity of your machine, it is crucial to maintain its cleanliness. Here are some tips to keep your device clean and prevent future problems:

  1. Regular cleaning – Wipe down the exterior of the machine with a dry cloth daily. Clean the interior components with a soft brush every few weeks.
  2. Clean air filters – The air filters should be cleaned or replaced every three months to ensure proper airflow and prevent dust accumulation in the system.
  3. Use appropriate cleaners – Avoid using harsh chemicals that might damage the equipment. Use non-toxic, safe cleaning solutions instead.
  4. Schedule maintenance checks – Schedule regular professional maintenance checks that can detect and address any issues early on before they turn into bigger problems.

In addition to these steps, always ensure that all cables and wires are properly secured and kept organized. Following these practices will maintain your machine’s functionality and enhance its lifespan.

A colleague once shared their experience of neglecting to keep their equipment clean regularly, which resulted in significant hardware failures. They had to spend extra money for repairs and suffered from downtime delays. Taking care of your machines is essential both for productivity purposes as well as cost efficiency.

Keeping tabs on your oil level is like checking your bank account, you don’t want to be caught off guard and broke down on the highway.

Regularly check the oil level

Checking the oil level regularly is crucial for the proper functioning of your vehicle’s engine. Neglecting this task can lead to severe problems in the long run. Here are some tips on how you can ensure that your car’s oil level is always at an optimal point:

  1. Locate & remove the dipstick from the engine.
  2. Clean and reinsert the dipstick back into the engine.
  3. Remove it again, and verify if the oil level is between minimum and maximum marks on it.

Apart from checking the oil level, inspecting its quality frequently can be helpful. It is important to change the engine oil & filter every few thousand miles or as recommended by your vehicle manufacturer to keep the engine running smoothly.

In addition, regular maintenance of other fluids such as coolant, brake fluid, power steering fluid, transmission fluid will contribute to a long-lasting performance of your vehicle.

Once a friend went on a road trip but forgot to check his car’s oil levels before starting. Midway through his journey, he heard some unusual noises and had to pull over. The mechanics informed him that due to low engine oil levels, his car’s engine sustained a lot of damage. This could have been avoided if he had regularly checked his vehicle’s oil levels.

Your spark plug may be small, but neglecting it can lead to big engine problems – think of it as the tiny hero of your car’s motor.

Clean/replace spark plug

Maintaining the vitality of your engine is crucial for smooth and uninterrupted operation. Ensure spark plugs remain clean and in good condition for optimal performance.

  1. Remove the old plug wire and spark plug carefully.
  2. Examine the electrical contact point and ensure they are free from grime or oil.
  3. Replace with a new plug if it appears worn out beyond cleaning.

Routine maintenance of spark plugs can avoid expensive repairs, increase fuel efficiency, and enhance overall engine performance.

Over time, prolonged usage leads to deposits on the spark plug insulator that interfere with conductivity, potentially leading to ignition problems.

Handle the machine with care, unless you’re secretly hoping for an expensive repair.

Ensure proper handling of the machine

Proper Machine Handling to Prevent Future Issues

To avoid complications in the future, ensuring proper handling of the equipment is crucial. Here are some guidelines to help you prevent any machine mishandling:

  1. Understand the instructions: Be familiar with the owner’s manual and any instructional videos provided by the manufacturer. This will help you understand how to operate, clean and store your device correctly.
  2. Safety Measures: Always wear appropriate safety gear such as gloves, goggles, earplugs or helmets when working on heavy-duty machinery.
  3. Maintain Hygiene: Keep your device and workspace clean and tidy. This will prevent your machine from getting clogged with debris or dust particles that might affect its performance.
  4. Regular Inspections: Schedule regular inspections to maintain a record of the machine’s working condition. It will help spot any issues early-on, preventing serious damages down the line.

Remember that equipment handling goes beyond just operating machines. Ensure proper storage, timely maintenance and prevent inappropriate usage.

Faulty handling impacted gear can have hazardous consequences for both workers and machinery; one of which could lead to malfunctioned parts or even electrical hazards.

Don’t neglect proper maintenance; it could lead to expensive repairs in the long run. Remember- it’s better to be proactive than regretful later.

Take preemptive measures now before malfunctioning hazards occur!

Remember, taking care of your equipment now will save you from screaming profanities at it later.


To wrap up our troubleshooting on your Black+Decker lawn mower, we’ve identified the root cause and found a solution. By following the steps outlined in our previous section, you should now be able to start your mower with ease. Regular maintenance and cleaning will ensure that this issue doesn’t happen again. Don’t let a faulty lawn mower prevent you from having a well-manicured lawn- get ahead of the problem with routine maintenance.

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Andrew Fisher

Andrew Fisher

Andrew is a dedicated father of three who really takes pride in his lawn and garden. You'll find Andrew behind the scenes of almost everything Edge Your Lawn produces. When he's not helping readers find all the information they need, he's in his backyard working on his lawn and garden landscaping. This year he hopes to build an outdoor deck and sort out his veg patches.

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