What does high-speed engine idling mean?

1 Answers
Luca
07/30/25 7:38am
High-speed engine idling refers to stepping on the accelerator without engaging any gear. When the engine speed exceeds 2000 RPM, it is called high-speed idling. Effects of high-speed engine idling: Firstly, revving the engine while stationary has certain impacts on engine components and other vehicle parts. Moreover, stationary revving does not effectively remove carbon deposits. Carbon deposits in the engine: While carbon deposits cannot be completely prevented, proper vehicle usage and driving habits can effectively reduce their formation. It is essential to select the appropriate gasoline grade for your vehicle model as specified in the manufacturer's manual. However, it should be noted that gasoline grades represent the octane rating, reflecting the fuel's anti-knock properties, and should not be equated with fuel quality. It is recommended to refuel at reputable gas stations. Due to crude oil sources and refining processes, commercially available gasoline is not of high quality. Gasoline contains sulfur, phosphorus, and particularly high levels of olefins with poor oxidation stability. During combustion in the engine, olefins oxidize and condense into gum, which combines with exhaust gases from the crankcase and dust particles from the intake air, forming carbon deposits in areas such as the throttle body and intake manifold.
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