Pico Automotive Oscilloscope Diagnosis] 2009 Buick Excelle Engine Idle RPM Too High
Author: Ye Zhengxiang Trouble phenomenon: a 2009 Buick Excelle, equipped with F16D3 engine, the accumulated mileage of about 83,000km. car owners reported that the car engine idle speed is too high, and the engine malfunction light is lit abnormally. Diagnostic process: 1. Start the engine, the engine idle speed is about...