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A check engine light can indicate a broad spectrum of problems with your 2002 Jeep Liberty. 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 2002 Liberty, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Liberty.
Intermittent Check Engine Light: If the check engine light on your 2002 Liberty 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 Liberty, 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 Liberty 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 Liberty diagnosed by a professional automotive technician.
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb2002 Jeep Liberty Limited 3.7L V6
Because you have to start somewhere2002 Jeep Liberty Limited 3.7L V6
Low coolant levels is all to common - top yours up today2002 Jeep Liberty Limited 3.7L V6
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2002 Jeep Liberty Limited 3.7L V6
Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?2002 Jeep Liberty Limited 3.7L V6
The burnt out tail light: classic reason for a cop to pull you over - change yours now2002 Jeep Liberty Limited 3.7L V6