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A check engine light can indicate a broad spectrum of problems with your 2005 Pontiac Sunfire. 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 2005 Sunfire, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Sunfire.
Intermittent Check Engine Light: If the check engine light on your 2005 Sunfire 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 Sunfire, 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 Sunfire 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 Sunfire diagnosed by a professional automotive technician.
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White light when you back up - yup, they burn out and you can replace them with bright LEDs2005 Pontiac Sunfire 2.2L 4 Cyl.
If you have an electrical component that doesn't work, try replacing the fuse first2005 Pontiac Sunfire 2.2L 4 Cyl.
A few key tips will make jacking up your car much safer2005 Pontiac Sunfire 2.2L 4 Cyl.
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2005 Pontiac Sunfire 2.2L 4 Cyl.
Coolant hoses wear out over time and need to be replaced - check 'em early and often2005 Pontiac Sunfire 2.2L 4 Cyl.