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A check engine light can indicate a broad spectrum of problems with your 2004 Buick Century. In some cases you need to pull over immediately to prevent damage while in others 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 on your 2004 Century, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Century.
Intermittent Check Engine Light: If the check engine light on your 2004 Century is intermittent, 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 Century, 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 Century and have it towed to your nearest mechanic - 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; have your Century diagnosed by a professional automotive technician.
The burnt out tail light: classic reason for a cop to pull you over - change yours now2004 Buick Century Custom 3.1L V6
Do you ever get into your friend's car and notice a bad smell? A dirty cabin air filter could be the culprit2004 Buick Century Custom 3.1L V6
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2004 Buick Century Custom 3.1L V6
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2004 Buick Century Custom 3.1L V6
Because you have to start somewhere2004 Buick Century Custom 3.1L V6
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2004 Buick Century Custom 3.1L V6