
Adding cleaner is recommended when using ethanol gasoline. Here are some details about ethanol gasoline: 1. Fuel tank: Over long-term use, gasoline forms carbon deposits at the bottom of the tank and in the fuel supply lines due to high temperatures. When switching to ethanol gasoline, issues like fuel line blockages and engine shaking may occur. Ethanol gasoline, as a new generation of clean and environmentally friendly fuel, is itself an excellent organic solvent with strong dissolving effects. 2. Vehicle emissions: With increasingly strict national controls on vehicle emissions, both engine technology and fuel quality are gradually improving. The amount of sediment and dirt generated in the fuel tank is minimal. If gasoline remains stagnant for a year, relatively more deposits will form.

I've been using ethanol gasoline for several years, and it inherently has cleaning properties, so generally, there's no need to add extra cleaning agents. Ethanol can dissolve some deposits and carbon buildup in the fuel system, which helps keep the engine running smoothly and reduces maintenance hassles. However, if your car is an older model or has high mileage, the fuel system might have accumulated more issues, such as clogged fuel lines or corrosion. In such cases, occasionally adding a cleaning agent can be quite effective. Once after a long trip, I added a cleaning agent and noticed reduced engine noise and quicker power recovery. It's advisable to check the owner's manual first to understand the specific recommendations for your car model. New car owners can confidently skip it, but older car users should regularly inspect the system to prevent minor issues from turning into major failures. Regular maintenance is more reliable—for example, performing a fuel system cleaning every six months is both cost-effective and safe.

From a technical perspective, the ethanol in ethanol gasoline has natural cleaning properties, capable of dissolving deposits on fuel injectors and valves, making the addition of cleaning agents unnecessary under normal usage. However, cleaning agents are specifically designed to tackle stubborn carbon buildup or water separation issues. Ethanol may absorb moisture, leading to system corrosion, which is particularly concerning in older vehicles. I've encountered several cases: newer vehicles are generally unaffected, and you can simply refuel as usual; for vehicles over ten years old, occasional use of a cleaning agent can help prevent fuel line blockages and engine vibrations. The key is to assess the vehicle's condition—new or low-mileage cars don't require it, while high-mileage vehicles or those frequently used for short trips can benefit from the supplementary cleaning provided by these agents, extending component lifespan. Regularly checking injector conditions with diagnostic tools is crucial to promptly identify if intervention is needed.

As a cost-conscious car owner, I generally don't buy fuel system cleaners when using ethanol-blended gasoline, which saves me extra expenses. Ethanol itself has cleaning properties that help reduce carbon deposits and maintain system smoothness over time. Purchasing cleaners costing dozens per bottle isn't worth the accumulated expense. Unless the vehicle has issues - like my old car that previously had power loss problems - then cleaners become useful. New car users can simply refuel without wasting money; for older vehicles frequently experiencing hard starts or increased fuel consumption, one treatment might prevent bigger repair bills. I recommend combining periodic air filter replacements with other cost-saving maintenance instead of blindly adding products. Balancing cost-effectiveness is key - spending small to prevent major repairs is true wisdom.


