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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.
Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?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
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!2002 Jeep Liberty Limited 3.7L V6
Did you know that heat is worse for your battery than cold? Replace it every 4 years2002 Jeep Liberty Limited 3.7L V6
Help keep your car as responsive as you are by maintaining proper power steering fluid levels2002 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