If a check engine or service engine soon light is on, then deal with it immediately.

如果“发动机检查”灯或“发动机维护”灯是点亮的，那么就应该立刻对此进行处理。

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The check engine light is on. We need to find a service station.

发动机检查灯亮了，我们得找一个汽车修理站。

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Welch likens early screening to the check engine light on a car, occasionally picking up abnormalities that don't affect the vehicle's performance.

CNN: Preventive care not always cost effective, experts say

Economists would say the rising prices are like the check engine light coming on on the dashboard, and to lift the gas tax would just put a piece of black tape over the warning light.

NPR: 2 of 3 Presidential Hopefuls Back Gas Tax Holiday

When that annoying "check engine" light appears on your dashboard, for instance, the service manager sees it, too, on his computer.

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