How often should the engine throttle be replaced?
2 Answers
Engine throttle should be replaced every 20,000 kilometers. The throttle is a controllable valve that regulates air intake into the engine, available in two types: traditional cable-operated and electronic throttle. After entering the intake pipe, the air mixes with gasoline to form a combustible mixture, which then burns to perform work. The throttle connects to the air filter at the top and the engine block at the bottom. The engine can refer to both the power generation device and the entire machine including the power unit (such as gasoline engines, aircraft engines). Its types include internal combustion engines (such as gasoline engines), external combustion engines (such as Stirling engines, steam engines), gas turbines (used in racing cars), and electric motors.
I've driven many cars, and the engine throttle really doesn't need frequent replacement—cleaning is the key routine task. For city commuters like me, cleaning the throttle every 30,000 to 50,000 kilometers is ideal because prolonged idling easily causes carbon buildup. Excessive carbon deposits lead to sluggish throttle response, engine choking, weak acceleration, severe shaking at idle, and even increased fuel consumption. The throttle itself is highly durable—replacement is only considered in cases of collision, water ingress, or stuck/deformed valves. Typically, a car might only need cleaning a few times over a decade of use. Cleaning is simple: a quick visit to an auto shop costs just a few dozen yuan, or you can easily spray and wipe it at home with cleaner. During regular maintenance, ask the mechanic to check it—address issues early to avoid costly major repairs. Remember, smooth engine operation relies on maintenance: throttle cleaning saves hassle, money, and ensures safety.
