Why does my G2500’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. This is just your G2500 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are GMC G2500 engine noises bad?

Unusual noises can signal a problem with your GMC G2500 engine. 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 might be coming from the brakes, not the engine.

What could damage my GMC G2500 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my GMC G2500 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your G2500 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a G2500 engine to suddenly stop?

Your G2500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes GMC G2500 engines?

Your local Firestone Complete Auto Care offers GMC G2500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

1990 GMC G2500 Engine Repair

Learn about

1990 GMC G2500 Trim Options

Select your GMC G2500 trim level to learn more about GMC-recommended engine repair. Even GMC G2500 parts will get older and change.

V6/4.3L

V8/5.0L

V8/5.7L

V8/6.2L

GMC G2500 Repairs and Services

Nothing stays the same forever. Even your GMC G2500’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1990 GMC G2500.

We Know GMC G2500 Engines

GMC G2500 engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1990 GMC G2500 engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC G2500 engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 1990 GMC G2500

As soon as your G2500 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel injection, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your G2500 issues diagnosed and our expert techs will get the root of the problem. rattling sounds, burning smells, or engine misfiring.

1990 G2500 Engine Services

When your GMC G2500 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a service can wait, we’ll make sure 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 G2500 engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the timing chain or belt, motor oil seal, fuses, or a different component.

1990 GMC G2500 Engine Q&A

Why does my G2500’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is just your G2500 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are GMC G2500 engine noises bad? Unusual noises can signal a problem with your GMC G2500 engine. 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 might be coming from the brakes, not the engine.
What could damage my GMC G2500 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my GMC G2500 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your G2500 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a G2500 engine to suddenly stop? Your G2500 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes GMC G2500 engines? Your local Firestone Complete Auto Care offers GMC G2500 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!