Q: Car shakes violently and 'check engine' flashes
Earlier, I was driving my car and it started shaking violently - the whole car shook. The check engine warning light flashed on, so I went to an auto shop and plugged in the computer. It read: “Misfiring on #3.” After that I replaced all spark plugs, wires, and even the valve cover. No help at all to solve the problem! My car is still running, but it roughly idles and there’s no power when I accelerate. However... ‘everything gets okay’ when I drive past 25mph. What is your assessment of all this and how do I solve the problem?
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由于您仅在第3缸上遇到了失火，因此这告诉我气缸点火不是问题。由于发动机具有一个线圈包，可以同时为两个圆柱体提供动力，如果＃3不折面，那么圆柱体1也很可能也会失败。
From what I can tell, you have afuel injector这被堵塞或不起作用。另一种可能性是气缸的真空泄漏。
Since you’ve mentioned that the problem goes away after 25 MPH then this tells me that the EGR is most likely stuck open. This would cause the cylinder to misfire at low speeds and would not effect the engine on higher engine speeds. Have the EGR checked to verify if it’s stuck open.
我建议从经过认证的机械师那里获得这些检查的帮助。他们将能够诊断是什么导致您的汽车摇晃亲身并相应地修复它。
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