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A check engine light can indicate a broad spectrum of problems with your 2003 Chevrolet Tahoe. 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 Tahoe, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Tahoe.
Intermittent Check Engine Light: If the check engine light on your 2003 Tahoe 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 Tahoe, 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 Tahoe 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 Tahoe diagnosed by a professional automotive technician.
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2003 Chevrolet Tahoe LS 5.3L V8
Many cars will burn or leak a little bit of oil. Over time, this adds up and you might need to add some - learn how to here!2003 Chevrolet Tahoe LS 5.3L V8
Learning how to jump your car before you need to is an excellent idea2003 Chevrolet Tahoe LS 5.3L V8
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?2003 Chevrolet Tahoe LS 5.3L V8
The rear wiper that you forgot you had until it streaks horrifically on a rainy day? Change it now!2003 Chevrolet Tahoe LS 5.3L V8
Minor transmission fluid leaks can often be fixed with the right sealant - see how to do this2003 Chevrolet Tahoe LS 5.3L V8