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6 Habits That Seem Good But Can Harm Your Car: Avoid Damage to Your Vehicle With These Essential Tips

Written by Roberta Souza
Published on 17/06/2025 at 20:51
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Discover Common Practices That, Although Well-Intentioned, Can Cause Damage to Your Car and Compromise Its Performance and Durability

Taking care of your vehicle is essential to keep it in great condition and running smoothly. However, some practices that seem appropriate can actually damage the car, according to the website olhardigital.

While actions like keeping the car clean, changing the oil, and taking the vehicle for regular check-ups are recommended, it’s important to be aware that some of them, when done excessively or improperly, can cause serious problems.

Let’s check six habits that, despite seeming good, can harm your car.

1. Fuel Additives: A Necessary Care, But With Caution

Filling up the car with additive fuel is a common practice among drivers concerned about engine performance.

The idea is that the additive helps to clean and protect the internal parts of the engine, improving the vehicle’s efficiency and performance. However, it’s crucial to be careful when choosing where to refuel.

There are gas stations that deceive consumers by selling fuel as additive, but actually do not provide the correct product.

In this case, it’s best to refuel with regular fuel and then separately purchase the additive to add to the tank.

This way, you can be sure you are using a quality product.

Furthermore, it’s important to note that not all gas stations act in bad faith.

If you trust the establishment where you usually refuel, you can continue to use additive fuel without worry.

Have you ever wondered about the quality of the fuel you put in your car and how it can affect its performance?

2. Filling Up to the Brim: A Risky Practice

When you go to refuel, the attendant may ask if you want to fill the tank to the brim.

Although this practice may seem advantageous, it can harm the canister, a vital component that reduces the emissions of pollutants.

The correct approach is to allow the attendant to refuel until the nozzle automatically shuts off.

This attention can prevent future problems and ensure that your vehicle operates correctly.

Moreover, overfilling the tank can cause fuel spillage, which is not only dangerous but also harmful to the environment.

Many people do not realize that excess fuel can damage the car’s evaporation system, resulting in unnecessary repair costs.

Have you ever considered how small details, like fuel level, can impact how your car functions?

3. Injector Cleaning: Do It in Moderation

Cleaning the fuel injectors is a procedure that can enhance engine function, but it should only be done when necessary.

If the injectors are not dirty, cleaning might be unnecessary and even harmful to the vehicle’s injection system.

Therefore, it’s essential to observe the signs that cleaning is indeed needed.

Signs like power loss, increased fuel consumption, or engine misfires may indicate that the injectors need cleaning.

Always consult a trusted mechanic to determine the right time to perform this cleaning and ensure your car stays in good condition.

Have you ever had issues with your car’s injection system and considered cleaning the fuel injectors?

4. Engine Decarbonization: A Risky Practice

Decarbonization is a cleaning process aimed at removing impurities and carbon buildup from fuel combustion.

Although it may seem like a good idea, using chemical products to decarbonize the tank or crankcase can damage engine components, such as rings and bearings.

The best approach is to seek assistance from a qualified professional for a deeper and less invasive cleaning, preventing unnecessary damage to your vehicle.

Moreover, decarbonization can often be performed in a less aggressive manner, such as through mechanical methods, which do not involve the use of harsh chemicals that can cause damage.

Therefore, it’s always wise to research and choose the best option for engine maintenance.

Have you ever considered the importance of consulting a specialist before undertaking any procedure on the engine?

5. Excessive Polishing: Care for Aesthetics, But With Caution

Polishing your car is an excellent way to maintain its new appearance and revitalize the paint.

However, it is essential to choose a trustworthy place to carry out this service.

Poorly performed polishing can damage the paint, deteriorating the car’s bodywork.

Additionally, excessive polishing can end up wearing down the clear coat, leading to aesthetic problems in the long term.

A tip is to polish according to the car’s needs, avoiding doing this unnecessarily frequently.

The ideal is to perform a complete polishing once every six months or according to the wear of the paint.

Keeping the car well-maintained is important, but it’s crucial not to overdo the care to avoid damage.

Have you ever thought about how often you polish your car? How do you choose the place to do this service?

6. Engine Wash: Be Careful With Water

Engine washing can be beneficial for the vehicle’s operation as it removes dirt that can obstruct heat dissipation. However, this procedure should be done with caution.

Using a garden hose at home to wash the engine can be risky since water can come into contact with electrical parts and cause damage.

It is recommended that engine washing be performed at a reliable establishment, where qualified professionals use safe techniques, such as steam washing or dry washing.

These options minimize water usage and avoid unwanted contamination.

Additionally, steam washing is effective in removing dirt without damaging delicate engine components.

Have you ever considered the importance of keeping the engine clean and free of dirt?

What are your practices for caring for your car’s engine?

These habits that may seem good at first can actually harm the performance and durability of your car.

Have you ever encountered a situation where a good practice ended up causing problems in your vehicle? Share your experiences in the comments!

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Roberta Souza

Autora no portal Click Petróleo e Gás desde 2019, responsável pela publicação de mais de 8.000 matérias que somam milhões de acessos, unindo técnica, clareza e engajamento para informar e conectar leitores. Engenheira de Petróleo e pós-graduada em Comissionamento de Unidades Industriais, também trago experiência prática e vivência no setor do agronegócio, o que amplia minha visão e versatilidade na produção de conteúdo especializado. Desenvolvo pautas, divulgo oportunidades de emprego e crio materiais publicitários direcionados para o público do setor. Para sugestões de pauta, divulgação de vagas ou propostas de publicidade, entre em contato pelo e-mail: santizatagpc@gmail.com. Não recebemos currículos

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