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A check engine light can indicate a broad spectrum of problems with your 2008 Nissan Sentra. 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 2008 Sentra, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Sentra.
Intermittent Check Engine Light: If the check engine light on your 2008 Sentra 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 Sentra, 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 Sentra 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 Sentra diagnosed by a professional automotive technician.
White light when you back up - yup, they burn out and you can replace them with bright LEDs2008 Nissan Sentra S 2.0L 4 Cyl.
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Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2008 Nissan Sentra S 2.0L 4 Cyl.
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2008 Nissan Sentra S 2.0L 4 Cyl.
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2008 Nissan Sentra S 2.0L 4 Cyl.