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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.
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
Learn where your air filter is located and how to determine if it needs to be changed.2002 Jeep Liberty Limited 3.7L V6
Learning how to jump your car before you need to is an excellent idea2002 Jeep Liberty Limited 3.7L V6
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2002 Jeep Liberty Limited 3.7L V6
Coolant hoses wear out over time and need to be replaced - check 'em early and often2002 Jeep Liberty Limited 3.7L V6
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2002 Jeep Liberty Limited 3.7L V6