What to Do After Adding Low-Quality Gasoline to Your Car?

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Adding low-quality gasoline to your car can affect its performance, leading to poor fuel supply and severe shaking while driving. 1. If the car is currently running normally without the above symptoms, you should promptly go to the nearest 4S shop for the following treatments: completely drain the remaining fuel in the tank, refill with high-quality gasoline, clean the fuel injectors, clean the combustion chamber, and replace the fuel filter. 2. If the car is running normally but the engine idles with slight shaking, you should promptly go to the nearest 4S shop for the following treatments: completely drain the remaining fuel in the tank, refill with high-quality gasoline, clean the throttle body, clean the fuel injectors, clean the combustion chamber, and replace the fuel filter and fuel pump. 3. If the car has difficulty starting, cannot start, the engine shakes, lacks acceleration power, experiences gear shift shocks, or the valves make noise, you should immediately stop driving and request rescue from a 4S shop. Measure the cylinder pressure; if the cylinder pressure is normal, disassemble the cylinder head for cleaning, completely drain the remaining fuel in the tank, refill with high-quality gasoline, clean the throttle body, clean the fuel injectors, clean the combustion chamber, and replace the fuel filter and fuel pump.