EN
Parts & Tools Parts & Tools
Mechanics Mechanics
Gear Guide Gear Guide
search

Engine Light Is On: 1990-2000 GMC C3500 - What to Do

Rosen Nissan helped make these videos

We are still working to obtain content for your car, however the video above is believed to have similar characteristics as your car.

 
Video Description

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.

Other videos you might find helpful

  • Transmission Fluid Level Check GMC C3500 (1990-2000)
    Check transmission fluid level

    Harsh downshifts? Slipping gears? You might be low on transmission fluid

    2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
  • Air Filter How-To: 1990-2000 GMC C3500
    Replace your air filter!

    Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?

    2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
  • DRL Replacement 1990-2000 GMC C3500
    Replace a burnt out DRL

    DRLs are on more than your headlights. They burn out faster and should be replaced regularly

    2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
  • 1990-2000 GMC C3500: Fix Oil Leaks
    Fix minor oil leaks

    Learn how to diagnose and fix minor oil leaks in your car

    2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
  • Coolant Level Check: 1990-2000 C3500
    Be cool under pressure

    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)
  • 1990-2000 GMC C3500 Engine Air Filter Check
    Determine if your air filter is dirty

    Learn where your air filter is located and how to determine if it needs to be changed.

    2000 GMC C3500 Sierra SL 7.4L V8 Extended Cab Pickup (2 Door)
  • See all videos for the 2000 GMC C3500
Comments
The Right Parts
The Right Tools
gas caps code readers fuses phone holders fuel injector cleaner floor mats terminal clamps gas tank doors