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故障现象:一辆2011款北京现代瑞纳,1.4L发动机、自动挡,行驶70 000km。大修后出现发动机怠速抖动,加速无力,松开加速踏板发动机易熄火,发动机故障灯点亮。故障诊断与排除:用红盒子蓝点解码器读取故障码(图4)。按照故障码的提示我们重点监测进气配气系统,用红盒子蓝点解码器读取配气相位的数据流(图5)。
Symptom: A 2011 Beijing Hyundai Rena, 1.4L engine, automatic transmission, traveling 70 000km. After overhauling the engine idling jitter, weak acceleration, release the accelerator pedal engine is easy to turn off, the engine fault light lit. Troubleshooting and troubleshooting: Use the red box blue dot decoder to read the fault code (Figure 4). In accordance with the fault code prompts we focus on monitoring the intake and exhaust system, with the red box blue dot decoder to read the gas phase data flow (Figure 5).