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A check engine light can indicate a broad spectrum of problems with your 1998 Nissan Altima. 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 1998 Altima, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Altima.
Intermittent Check Engine Light: If the check engine light on your 1998 Altima 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 Altima, 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 Altima 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 Altima diagnosed by a professional automotive technician.
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak1998 Nissan Altima GXE 2.4L 4 Cyl.
Harsh downshifts? Slipping gears? You might be low on transmission fluid1998 Nissan Altima GXE 2.4L 4 Cyl.
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner1998 Nissan Altima GXE 2.4L 4 Cyl.
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?1998 Nissan Altima GXE 2.4L 4 Cyl.
One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car1998 Nissan Altima GXE 2.4L 4 Cyl.
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary1998 Nissan Altima GXE 2.4L 4 Cyl.