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A check engine light can indicate a broad spectrum of problems with your 1999 Chevrolet Blazer. 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 1999 Blazer, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your Blazer.
Intermittent Check Engine Light: If the check engine light on your 1999 Blazer 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 Blazer, 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 Blazer 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 Blazer diagnosed by a professional automotive technician.
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping1999 Chevrolet Blazer LS 4.3L V6 (4 Door)
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!1999 Chevrolet Blazer LS 4.3L V6 (4 Door)
Small bulbs that burn out regularly - did you know you can replace these with LED lights?1999 Chevrolet Blazer LS 4.3L V6 (4 Door)
Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?1999 Chevrolet Blazer LS 4.3L V6 (4 Door)
DRLs are on more than your headlights. They burn out faster and should be replaced regularly1999 Chevrolet Blazer LS 4.3L V6 (4 Door)
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too1999 Chevrolet Blazer LS 4.3L V6 (4 Door)