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A check engine light can indicate a broad spectrum of problems with your 2003 Buick LeSabre. 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 2003 LeSabre, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your LeSabre.
Intermittent Check Engine Light: If the check engine light on your 2003 LeSabre 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 LeSabre, 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 LeSabre 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 LeSabre diagnosed by a professional automotive technician.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2004 Buick LeSabre Custom 3.8L V6
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2004 Buick LeSabre Custom 3.8L V6
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2004 Buick LeSabre Custom 3.8L V6
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2004 Buick LeSabre Custom 3.8L V6
Did you know that heat is worse for your battery than cold? Replace it every 4 years2004 Buick LeSabre Custom 3.8L V6
Learn how to diagnose and fix minor oil leaks in your car2004 Buick LeSabre Custom 3.8L V6