两辆进口汽车的发动机特殊故障分析１故障现象一辆丰田４Ｋ车，大修后行驶八千公里左右就开始冒黑烟、烧机油，不但使机油消耗量增大，而且使活塞、活塞环和气缸磨损加剧，并污染火花塞，使发动机运转不稳定，汽油耗量大大增加，功率明显下降。另一辆三菱Ｌ３００车也经大... Two imported car engine special fault analysis 1 Fault phenomenon A Toyota 4K car, overhauled 8000 km or so began to run black smoke, burning oil, not only to increase oil consumption, but also to piston, piston ring and cylinder Wear and aggravate, and pollution spark plugs, the engine running instability, gasoline consumption increased significantly, the power decreased significantly. Another Mitsubishi L300 car also by the big ...