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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.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2002 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
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2002 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
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
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2002 Jeep Liberty Limited 3.7L V6