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故障现象一辆2006年的宝马318i车,配备N46发动机,发动机带有全变量进气系统,累计行驶里程约为7万km,客户反映踩加速踏板时,车辆加速不良。故障诊断与排除接车后首先验证故障现象。试车时发现原地踩加速踏板时,发动机会发出突突声,像是急加速时出现了缺缸现象。笔者更换了三元催化转化器、三滤,并清洗了油路后试车,故障现象依旧。连接ISID进行快速测试,调取的故障代码有:DME点火缺火,多个气缸;DME电子气门控
Symptoms A 2006 BMW 318i car with an N46 engine and a full variable air intake system has a cumulative mileage of about 70,000 km. The customer reported a poor acceleration of the vehicle when he stepped on the accelerator pedal. Troubleshooting and troubleshooting First verify the symptoms after the car. When trying to find the place to step on the accelerator pedal, the engine will make a sudden bursts of sound, such as the sudden acceleration appeared lack of cylinder phenomenon. I replaced the three-way catalytic converter, three filters, and after cleaning the oil test run, the fault still. Connect the ISID for quick test, call the fault code: DME ignition misfire, multiple cylinders; DME electronic valve control