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A check engine light can indicate a broad spectrum of problems with your 2004 Jeep Wrangler. 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 2004 Wrangler, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Wrangler.
Intermittent Check Engine Light: If the check engine light on your 2004 Wrangler 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 Wrangler, 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 Wrangler 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 Wrangler diagnosed by a professional automotive technician.
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.
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!2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2004 Jeep Wrangler Rubicon 4.0L 6 Cyl.