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A check engine light can indicate a broad spectrum of problems with your 2000 GMC C3500. 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 2000 C3500, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your C3500.
Intermittent Check Engine Light: If the check engine light on your 2000 C3500 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 C3500, 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 C3500 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 C3500 diagnosed by a professional automotive technician.
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
Your coolant should perform well under any condition - just like Aaron Rodgers!2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
See how to seal up minor power steering fluid leaks2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
Got a short fuse? Don't blow a fuse, change it!2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)