How Often Should You Clean the Throttle Body and Fuel Injectors?

1 Answers
VanJoy
07/25/25 1:00pm
It is recommended to clean the throttle body and fuel injectors every 40,000 to 60,000 kilometers. The fuel injector is essentially a simple solenoid valve that creates suction, lifting the needle valve to open the injection hole. Fuel is then sprayed at high speed through the annular gap between the needle valve head and the injection hole, forming a fine mist. The condition of the fuel injector directly affects engine performance, and if it becomes clogged, it will significantly impact the vehicle's performance. The throttle body is a controllable valve that regulates the amount of air entering the engine, available in two types: traditional cable-operated and electronic. Once air enters the intake manifold, it mixes with gasoline to form a combustible mixture, which then burns to produce power.
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