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Answered 2006-07-19 20:58:44

The "check engine" light is part of your car's so-called onboard diagnostics (OBD) system. When it finds a problem in the electronic-control system that it can't correct, the computer turns on a yellow warning indicator. If the "check engine" light illuminates, it will either blink or remain constant, depending on the problem. Either way, you should have the vehicle checked by a mechanic, although a blinking light indicates a problem that needs immediate attention. The light can mean many different things, from a loose gas cap to a seriously misfiring engine. Tips: Look for a serious problem that requires immediate attention. Reduce speed and load Tightening your gas cap. (Keep in mind that it may take several trips before the light resets.) You have to get it checked out with someone who has a computer to read the code, most auto shops have one. Typically it is not a big deal, usually something like an O2 sensor, but I can't tell you exactly what it is without hooking the computer up to it.

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