1. Throttle position sensor + idle speed control valve kit, compatible with Buick Cadillac Chevrolet Pontiac, replacement number is 17113625 17113598
2. The throttle position sensor is used to monitor the position and opening of the engine throttle, accurately control the air-fuel ratio and engine power output
3. The idle speed control valve can quickly and accurately adjust the air flow to maintain a constant idle speed, ensuring stable operation and combustion efficiency of the engine
