故障现象一辆2009年产丰田凯美瑞车,搭载了2AZ发动机,累计行驶里程约为6万km。驾驶人反映该车仪表盘多功能信息显示屏上显示机油压力不足,行驶中出现发动机加速不畅、提速困难的故障现象,且发动机故障灯点亮。故障排除接车后,维修人员首先检查发动机机油液位,机油液位正常,与驾驶人一同试车,确认故障现象属实。使用故障诊断仪(GTS)读取故障代码,发现发动机控 Symptom An 2009 Toyota Camry car, equipped with a 2AZ engine, the cumulative mileage of about 60,000 km. The driver reflected the car dashboard multi-function information display shows the lack of oil pressure on the road, running poor acceleration of the engine speed problems difficult to accelerate, and the engine fault light lit. Troubleshooting After the car, the maintenance staff first check the engine oil level, the oil level is normal, with the driver to test the car to confirm the failure is true. Use fault diagnostic equipment (GTS) to read the fault codes and find engine controls