本段视频演示车型：1994 水星 Tracer 1.9 升 4 缸 轿车
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我们有一个庞大且不断增长的视频资料库，但还没有全部内容……
汽车制造商经常在不同车型中使用相同的发动机。 它们还略微调整了外观设计，并以两个不同的名称销售同一款车（以及其他一些技巧，以帮助抵消开发成本）。
我们的系统会根据这些特性，部分地选择最适合您车辆的视频。 视频中显示的内容可能与您的车辆外观不完全相同，但可能足够相关，让您了解如何操作。
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We have a massive and growing video library, but we don't have everything...yet.
Car companies often use the same engines in different cars. They also slightly alter the styling and sell the same car by two different names (amongst other tricks to help offset development costs).
Our system selects the most applicable video for your car based, in part, on these characteristics. The video displayed may not look exactly like your car, but may be relevant enough for you to get a good idea how to do it.
操作说明
发动机故障灯可能表明您的 1990 水星 Topaz 存在多种问题。 如果发动机故障灯闪烁，立即关闭发动机，以防止发动机受损。 如果发动机故障灯持续亮起，可能只是说明你下次停车时只需拧紧汽油罐盖，就能重置“发动机快检修”灯。 上述视频展示了如何在您的 1990 Topaz 上找到车载诊断OBD接口的位置，如何读取故障码，以及如何使用连接在 Topaz 上的扫描仪来清除或关闭发动机故障灯。
发动机故障灯亮着时可以开车吗？ 发动机故障灯间歇亮起：如果 1990 年款 Topaz 的发动机故障灯不是一直亮着，请记录出现这种情况时的工况。 例如，是在加速、高速行驶时出现，还是在低速时出现？ 这将有助于你的维修技师评估问题。 持续点亮的发动机故障灯：如果每次操作您的Topaz时发动机故障灯都亮起，应尽快进行检查，特别是您注意到性能问题或异常噪音时。 发动机故障灯闪烁：如果您的发动机故障灯在闪烁，请立即停止驾驶您的 Topaz，并将其拖到最近的维修店 – 发动机故障灯闪烁意味着您的车辆很可能存在非常严重的故障，继续驾驶可能会导致发动机损坏。 如果你在找到 Topaz 的OBD接口位置并读取故障码后，仍不确定这些故障码的含义，请将 Topaz 委托给专业汽车维修技师进行诊断。
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A check engine light can indicate a broad spectrum of problems with your 1990 Mercury Topaz. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. The video above shows how to locate the on board diagnostics OBD plug location on your 1990 Topaz, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Topaz.
Is it OK to drive with a check engine light on? Intermittent Check Engine Light: If the check engine light on your 1990 Topaz is not steady, try to take note of the conditions when this happens. For example, does it happen when you accelerating, driving on the highway or does it appear at low speeds? This will help your mechanic evaluate the issue. Steady Check Engine Light: If your check engine light is on every time you operate your Topaz, you need to have it checked as soon as possible, especially if you notice performance problems or unusual noises. Flashing Check Engine Light: If your check engine light is flashing, stop driving your Topaz and have it towed to your nearest mechanic – a blinking check engine light means you probably have a very serious problem with your car and you risk ruining your engine by driving it. If you are unsure about what your diagnostic trouble codes mean after finding the Topaz OBD port location and scanning the codes; have your Topaz diagnosed by a professional automotive technician.