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Why does the idle speed suddenly increase when stepping on the brake?

1 Answers

DeBradley

07/30/25 8:19am

When the idle speed suddenly increases upon stepping on the brake, it is usually caused by signal distortion due to contamination of the throttle position sensor or the sensor wiring connector. Below is relevant information about automobiles: 1. Definition of an automobile: According to the latest national standard in China, "Terms and Definitions of Automobiles and Trailers" (GB/T 3730.1-2001), an automobile is defined as a non-track vehicle powered by an engine, with four or more wheels, primarily used for transporting people and/or goods; towing vehicles that carry people and/or goods; or for special purposes. 2. Introduction to domestic automobile brands: Domestic automobile brands include Hongqi, Changan, Great Wall, Chery, Geely, Roewe, BYD, etc.

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