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故障现象一辆1996年产桑塔纳2000型轿车,装的是AFE型电喷发动机。据驾驶员说,此车行驶无力,怠速工作不稳,并且急加速时发动机严重抖动。经过试车发现,该车在油门踏板急踩下时进气管回火,放开时排气管有放炮现象。故障诊断与排除首先连接故障诊断仪,闭合点火开关,读取ECU储存的
Symptom A 1996 Santana 2000 sedan, fitted with an AFE EFI engine. According to the driver said that this car driving weak, unstable work at idle, and rapid acceleration of the engine when a serious jitter. After the test found that the car when the accelerator pedal steeply into the trachea tempering, let go when the exhaust pipe blasting phenomenon. Fault diagnosis and troubleshooting First of all, connect the fault diagnostic instrument, turn the ignition switch, read the ECU stored