车型:2014年奥迪A8L,配置2.5L CVBA发动机。行驶里程:70000km。故障现象:客户来店检查发现EPC灯亮,有时加速抖动,加速不良,有时不好启动。故障诊断:首先用诊断仪VAS6150D检测,发现有两个故障码:P153600汽缸列2凸轮轴调节断路,P207000可变进气管卡在开启位置,如图1所示。首先检查P207000可变进气管卡 Model: 2014 Audi A8L, equipped with 2.5L CVBA engine. Mileage: 70000km. Symptoms: Customer inspection found EPC lights, and sometimes accelerated jitter, poor acceleration, and sometimes not good start. Fault diagnosis: First, with the diagnostic VAS6150D test and found that there are two fault codes: P153600 cylinder line 2 camshaft adjustment circuit, P207000 variable intake manifold stuck in the open position, as shown in Figure 1. First check the P207000 Variable Intake Tube Card