The familiar whir of a lawnmower on a sunny Saturday is a welcome sound, signaling the start of a productive yard work session. But that symphony of power can turn into a symphony of frustration when your lawnmower sputters, coughs, and refuses to start. The culprit? Water in your gas tank. Water in your lawnmower’s gas tank can cause a range of problems, from engine sputtering to complete engine failure. This article will guide you through the causes of water in your gas tank, explain why it’s a problem, and provide a comprehensive solution to this common issue.
A Brief Overview: Water in your lawnmower’s gas tank is a common problem, especially if you store your mower for extended periods. Condensation can form in the tank, and rain or spills can introduce water directly. Water, unlike gasoline, doesn’t burn, and can clog fuel lines, damage engine components, and prevent your mower from starting. This article will delve into the causes of water contamination, explain why it’s a problem, and provide a step-by-step guide to removing it.
Understanding the Problem: Why Water in Your Gas Tank is a Big Deal
Water in your lawnmower’s gas tank is more than just a nuisance; it can lead to serious and costly damage. Here’s a breakdown of the problems it can cause:
Engine Sputtering and Stalling
Water is not combustible, meaning it doesn’t burn like gasoline. When water enters your gas tank, it mixes with the fuel, creating a less efficient fuel mixture. This leads to uneven combustion, causing your engine to sputter, stall, and run poorly.
Clogged Fuel Lines and Filters
Water, being denser than gasoline, can settle at the bottom of the tank. Over time, this water can clog fuel lines and filters, preventing fuel from reaching the engine. This blockage disrupts fuel flow and can lead to engine failure.
Corrosion and Damage to Engine Components
Water is corrosive, and when it comes into contact with metal engine components, it can cause rust and corrosion. This damage can lead to leaks, wear and tear, and ultimately, engine failure.
Reduced Engine Performance
Water contamination in your fuel system can significantly reduce your lawnmower’s engine performance. The engine will lack power, struggle to accelerate, and may even smoke excessively.
The Root Causes of Water in Your Gas Tank
Understanding the root causes of water in your gas tank is crucial for preventing this issue in the future. Here are the most common causes:
Condensation
Condensation is a major culprit. When the temperature inside your gas tank fluctuates, moisture in the air can condense and form water droplets inside the tank. This is particularly common during seasonal changes or when you store your lawnmower for extended periods.
Rain and Spills
Direct exposure to rain or accidental spills can introduce water directly into your gas tank. If your lawnmower is stored outdoors, it’s susceptible to rain and other forms of precipitation, even if you think you’re protecting it.
Leaking Fuel Cap
A cracked or damaged fuel cap can allow rainwater to seep into your gas tank. Regularly inspect your fuel cap for any signs of damage and replace it if necessary.
Storing Fuel for Extended Periods
Gasoline is a volatile substance that can deteriorate over time. When you store gasoline for long periods, it can separate, forming water and other sediment that can contaminate your tank.
Removing Water from Your Lawn Mower’s Gas Tank: A Step-by-Step Guide
Now that you understand the dangers of water in your gas tank, it’s time to tackle the problem head-on. Here’s a step-by-step guide to removing water from your lawn mower’s gas tank:
Safety First: Essential Precautions
Before you begin, always take the following safety precautions:
- Wear protective gear: Wear safety glasses and gloves to protect yourself from splashes and fuel spills.
- Work in a well-ventilated area: Gasoline vapors are flammable, so it’s important to work in a well-ventilated area.
- Avoid sparks and open flames: Do not work near any heat sources or open flames.
Materials You’ll Need
- Clean container: This will be used to collect the contaminated gas.
- Syphon: A syphon is a specialized tool for drawing liquid from a container.
- Funnel: This will be used for pouring the fuel back into the tank.
- Gasoline: Fresh, clean gasoline.
- Fuel stabilizer: A fuel stabilizer helps prevent gasoline from deteriorating.
Step 1: Drain the Contaminated Gas
- Locate the fuel tank: The fuel tank on most lawnmowers is located on the side or under the seat.
- Remove the fuel cap: Carefully remove the fuel cap.
- Insert the syphon: Insert the syphon into the gas tank, ensuring it reaches the bottom.
- Drain the fuel: Carefully drain the contaminated gas into the clean container.
- Observe the fuel: As you drain the fuel, you’ll likely see water settle at the bottom of the container. Be careful not to pour the water back into the tank.
Step 2: Clean the Fuel Tank
- Remove the fuel tank: Carefully detach the fuel tank from the lawnmower.
- Rinse the tank with clean gasoline: Rinse the tank thoroughly with fresh, clean gasoline to remove any remaining water and sediment.
- Dry the tank: Allow the tank to dry completely before reattaching it to the lawnmower.
Step 3: Refill with Fresh Gas
- Refill the tank with fresh gas: Pour fresh gasoline into the tank using the funnel.
- Add fuel stabilizer: Add a fuel stabilizer to the fresh gas to prevent future deterioration.
- Replace the fuel cap: Securely replace the fuel cap.
Preventing Future Problems
Once you’ve successfully removed the water from your gas tank, it’s important to take steps to prevent future contamination:
- Store your mower in a dry place: Storing your mower in a garage or shed will protect it from rain and moisture.
- Use fuel stabilizer: Add fuel stabilizer to the gas tank whenever you’re storing your lawnmower for an extended period.
- Inspect the fuel cap: Regularly inspect your fuel cap for any damage and replace it if necessary.
- Avoid using old gasoline: Use fresh gasoline whenever possible.
A Final Note: When to Seek Professional Help
If you’re experiencing persistent problems with your lawnmower, or if you’re unsure how to handle the issue, it’s always best to seek professional help. A qualified mechanic can diagnose the problem accurately and provide the necessary repairs.
Remember, maintaining your lawnmower’s fuel system is crucial for optimal performance and longevity. By following the steps outlined in this guide, you can effectively remove water from your gas tank and keep your lawnmower running smoothly for seasons to come.
Frequently Asked Questions
How does water get into my gas tank?
Water can enter your gas tank through a few different ways. Condensation is a common culprit, especially in humid environments. As the air inside your gas tank cools, moisture can condense and form water droplets. Another way water can enter is through the fuel filler neck. If the seal around the fuel filler neck is damaged or cracked, water can splash in during rain or car washes. Finally, water can also seep in through the vent hose if it is damaged or blocked.
If you frequently fill up your gas tank at a gas station with a poorly maintained dispensing nozzle, water can be introduced from the nozzle itself. Additionally, if your gas tank is exposed to the elements, water can enter through any openings or cracks.
What are the signs of water in my gas tank?
The signs of water in your gas tank can vary depending on the severity of the problem. Some common signs include:
- Engine sputtering or misfiring: Water in the fuel system can disrupt the combustion process, causing the engine to sputter or misfire.
- Difficulty starting: Water in the fuel system can prevent the engine from starting properly.
- Reduced fuel efficiency: Water in the fuel system can reduce the efficiency of your engine, leading to lower gas mileage.
- Rust in the fuel tank: Water can cause rust to form in the fuel tank, which can damage the tank and clog the fuel lines.
If you notice any of these signs, it is important to address the problem as soon as possible to prevent further damage.
How does water in my gas tank affect my car?
Water in your gas tank can cause a variety of problems for your car, including:
- Engine damage: Water in the fuel system can cause engine damage, including corrosion, rust, and premature wear.
- Fuel system damage: Water can also damage the fuel system, including the fuel pump, fuel lines, and fuel injectors.
- Reduced performance: Water in the fuel system can reduce the performance of your engine, causing it to run sluggishly and lose power.
- Increased emissions: Water in the fuel system can increase your car’s emissions, contributing to air pollution.
It’s essential to resolve this issue promptly to avoid significant damage and maintain the longevity of your car.
How do I fix water in my gas tank?
The best way to fix water in your gas tank is to have it drained and flushed by a qualified mechanic. They will use specialized equipment to remove the water and ensure that your fuel system is clean and free of any contaminants. However, if you’re experiencing minor issues and the water content is minimal, you might consider using a fuel additive that attracts and absorbs water, helping it to be burned off.
Always consult your car’s manual for specific recommendations and ensure you choose the right fuel additive for your vehicle.
Can I drain my gas tank myself?
While you can find instructions online for draining your gas tank, it is generally not recommended to do so yourself. This process can be dangerous and requires specialized equipment and knowledge. Additionally, if not performed correctly, you may risk further damage to your vehicle.
It’s always best to leave this task to a professional mechanic who has the experience and tools to safely drain and flush your gas tank.
How can I prevent water from getting into my gas tank?
Preventing water from getting into your gas tank involves a few simple steps:
- Fill up your gas tank at reputable gas stations: This helps reduce the risk of water being introduced through the dispensing nozzle.
- Keep your fuel filler neck clean: Wipe down the fuel filler neck and surrounding area after filling up to remove any dirt or debris that could attract water.
- Regularly check your fuel filler neck seal: Make sure the seal is intact and replace it if it is damaged or cracked.
- Keep your car in a dry place: If you can, park your car in a covered garage or carport to minimize exposure to rain and snow.
- Avoid filling your gas tank to the brim: This will leave some room for expansion and reduce the risk of water being forced in.
By taking these precautions, you can minimize the chances of water getting into your gas tank.
What is the difference between water and condensation in the gas tank?
Water in the gas tank can be from external sources like rain or washing your car. Condensation, on the other hand, is formed internally due to temperature changes within the tank. When hot, moist air enters the tank and then cools down, it releases moisture which forms water droplets.
While both water and condensation are harmful, condensation is a more common occurrence, especially in humid climates. Both require addressing to prevent damage to your car’s engine and fuel system.