How to Determine if a Six-Wire Electronic Throttle is Faulty?

[DiJanelle]

Electronic throttle with six wires being faulty can lead to: unstable engine idle, persistently high idle speed not dropping, difficulty in engine starting, especially hard cold starts. Insufficient engine power, poor acceleration performance, unstable operation. Black smoke from the car's exhaust pipe, increased fuel consumption. The throttle is a controllable valve that regulates air intake into the engine, with two types: traditional cable-operated and electronic throttle. Below are some details about a faulty throttle: 1. Effects: unstable engine idle, persistently high idle speed not dropping, difficulty in engine starting, especially hard cold starts. Insufficient engine power, poor acceleration performance, unstable operation. Black smoke from the car's exhaust pipe, increased fuel consumption. The throttle is a controllable valve that regulates air intake into the engine, with two types: traditional cable-operated and electronic throttle. 2. Throttle principle: After entering the intake pipe, air mixes with gasoline to form a combustible mixture, which then burns to do work. The throttle connects to the air filter at the top and the engine block at the bottom, known as the throat of the car engine. Whether the car accelerates flexibly is closely related to the cleanliness of the throttle.