Where is the Buick reading throttle?

During cold start, the idle speed of the car is 1000- 1200 rpm, and the normal idle speed of the engine after warm-up is about 800 rpm. Don't leave the car idle for a long time. Avoid idling for a long time when waiting for traffic lights or traffic jams. Practice has proved that the fuel consumption of the engine idling for 3 minutes can make the car run 1 km. Therefore, anyone waiting for the traffic lights ...