一辆装备电控发动机的桑塔纳2000GLi轿车,行驶里程25万km,行驶中发生发动机间歇性瞬间抖动故障,挂倒档时尤为明显,曾送一修理厂清洗了电动燃油泵,更换了火花塞、高压线、氧传感器等,但都无济于事。无奈之下,送到我站维修。首先用V.A.G1552汽车故障阅读仪调码,其故障码为:①混合 A Santana 2000GLi sedan equipped with an electronically controlled engine with a mileage of 250,000 km traveled with an intermittent momentary jitter during the overturning. This was especially evident when the vehicle was overturned. A power plant was used to clean the electric fuel pump, replace the spark plug, , Oxygen sensors, etc., but all will not help. In desperation, sent to my station maintenance. First with V.A.G1552 car fault reader code, the fault code is: ① mixed