How to Determine if the Throttle Body is Damaged?

[FaithLynn]

Methods to determine if the throttle body is damaged are as follows: 1. If the throttle body is damaged, the EPC light on the dashboard will illuminate, indicating an issue with the electronic throttle control system. 2. Use a diagnostic tool to measure the throttle opening angle and observe whether it falls within the normal range. If the throttle angle remains too large after cleaning, the throttle body needs to be replaced. 3. The car may exhibit symptoms such as difficulty starting when cold, unstable idle, or black smoke emissions. Information about the throttle body is as follows: 1. The throttle body is a controllable valve that regulates air intake into the engine, available in two types: traditional cable-operated and electronic throttle bodies. 2. In traditional engines, the throttle body operates via a cable (flexible steel wire) or linkage, connecting the accelerator pedal to the throttle linkage plate. Electronic throttle bodies primarily use a throttle position sensor to adjust the throttle opening angle based on the engine's power demand, thereby regulating the air intake volume.