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{block name="title"}买二手车怎么判断三元动没动-丫丫百科{/block}
{block name='description'}购买二手车时应该仔细检查三元催化器是否正常工作，以确保车辆的安全和环境的健康。建议在购买前找专业的汽车修理工进行检测。
观察尾气排放：在车辆长时间运行后，观察排气管尾部是否有黑烟、白烟等异常排放情况。如果排出的烟雾color(颜色)很浓，那么可能是三元催化器已经失效
听声音：打开发动机盖，在发动机空{/block}
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<div class="qa_posi"><div class="c_center">您的位置：<a href="//www.tianyaya.cn">丫丫百科</a> > <a href="//www.tianyaya.cn/tuwen/qiche/">侃汽车</a> > <a href="https://www.tianyaya.cn/tuwen/4772905643577338504.html">买二手车怎么判断三元动没动</a></div></div>
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            <h1 class="tit" style="text-align: center;font-size: 28px;margin-top: 15px"><span>买二手车怎么判断三元动没动</span></h1>
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                <span>时间：2023-05-05</span>
                <span>来源：互联网公开数据整理或转载</span>
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                <p>购买二手车时应该仔细检查三元催化器是否正常工作，以确保车辆的安全和环境的健康。建议在购买前找专业的汽车修理工进行检测。</p><p>观察尾气排放：在车辆长时间运行后，观察排气管尾部是否有黑烟、白烟等异常排放情况。如果排出的烟雾color(颜色)很浓，那么可能是三元催化器已经失效</p><p>听声音：打开发动机盖，在发动机空转时，用耳朵靠近三元催化器处听是否有异响或杂音。如果有，这可能意味着三元催化器内部已经存在故障或者损坏。</p><p>检查车辆维修记录：检查车辆的保养记录是否正常，包括更换三元催化器的记录等。如果没有相关记录，那么就需要多加小心。</p><p>通过排放检测仪检测：可以使用排放检测仪来检测车辆的排放情况，如果数据显示不正常，很可能是三元催化器出现问题。</p><p>检查三元催化器的外观：检查三元催化器表面是否有严重的腐蚀和损伤，或者是否有裂纹和变形。如果有，则说明它需要更换了。</p>            </div>
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