Why does my K1500’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. This is just your K1500 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my GMC engine sound different?

Strange engine sounds can be a sign something’s off in your GMC K1500. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my GMC K1500 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my GMC K1500 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my K1500 engine to suddenly stop?

Your K1500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for GMC K1500 repair?

Your local Firestone Complete Auto Care offers GMC K1500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

1999 GMC K1500 Engine Repair

Learn about

1999 GMC K1500 Trim Options

Select your GMC K1500 trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

V8/5.0L

V8/5.7L

1999 GMC K1500 Repair

Nothing lasts forever. Even your GMC K1500’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1999 GMC K1500 repairs.

We’re Trained to Care for GMC K1500 Engines

GMC K1500 engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 1999 GMC service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service GMC K1500 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 1999 GMC K1500

An illuminated check engine light on your GMC K1500 is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your K1500 issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine rattling, burning smells, or engine misfiring.

GMC K1500 Engine Repair

If your 1999 K1500 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for K1500 engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — serpentine belt, oil gasket, sensors, or a different component.

1999 GMC K1500 Engine Q&A

Why does my K1500’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is just your K1500 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my GMC engine sound different? Strange engine sounds can be a sign something’s off in your GMC K1500. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my GMC K1500 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my GMC K1500 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my K1500 engine to suddenly stop? Your K1500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for GMC K1500 repair? Your local Firestone Complete Auto Care offers GMC K1500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!