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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.
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2004 Buick Century Custom 3.1L V6
Low coolant levels is all to common - top yours up today2004 Buick Century Custom 3.1L V6
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2004 Buick Century Custom 3.1L V6
Unlike a waist belt, these usually become looser as they age! Learn how to check it here2004 Buick Century Custom 3.1L V6
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2004 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