Is Fuel System Cleaning Necessary?

2 Answers
OMary
07/29/25 7:03am
Cleaning the automobile fuel system is highly necessary. If the fuel system is not cleaned for a long time, carbon deposits and sediments can clog the injector needle valves and valve orifices, affecting the performance of the precision components in the injection system. This can lead to poor fuel injection, inadequate atomization, or even complete failure to inject fuel. Physicochemical Properties of Gasoline: Gasoline is a colorless to pale yellow mobile liquid at room temperature, difficult to dissolve in water, and flammable. Its distillation range is from 30 to 205 degrees Celsius. It becomes explosive when its concentration in air reaches 74 to 123 grams per cubic meter and encounters a flame. The calorific value of gasoline is approximately 44,000 kJ/kg (the calorific value of a fuel refers to the amount of heat produced when 1 kg of the fuel is completely burned). Key Characteristics of Gasoline: In the engine cylinder, gasoline must rapidly vaporize and form a uniform combustible mixture with air, which is primarily determined by gasoline's own volatility. The main indicators reflecting volatility are the distillation range and saturated vapor pressure.
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LeManuel
08/12/25 10:24am
After driving for so many years, I personally feel that fuel system cleaning is quite necessary, especially for cars that run a lot in the city. Frequent short trips with constant stop-and-go traffic can easily lead to carbon deposits and dirt buildup in the fuel system, clogging the fuel injectors and such. If not cleaned in time, the engine may hesitate during startup, fuel consumption can rise sharply, and acceleration may become sluggish. I usually get a cleaning done every two years or 30,000 kilometers, spending a few hundred bucks to keep the engine running smoothly and avoid problems. In the long run, it saves more money and is much cheaper than major repairs.
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