Why does the check engine light in my R2500 Suburban turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your R2500 Suburban firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are GMC R2500 Suburban engine noises bad?

Unusual noises can signal a problem with your GMC R2500 Suburban 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC R2500 Suburban engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my GMC R2500 Suburban 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 R2500 Suburban when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my R2500 Suburban to suddenly stop?

There are different reasons your R2500 Suburban vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who repairs GMC R2500 Suburban engines?

Your local Firestone Complete Auto Care fixes GMC R2500 Suburban engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1991 GMC R2500 Suburban

Learn about

1991 GMC R2500 Suburban Trim Options

Select your GMC R2500 Suburban trim level to learn more about GMC-recommended engine repair. Even GMC R2500 Suburban parts will get older and change.

V8/5.7L

V8/6.2L

V8/7.4L

Repairs for Your 1991 GMC R2500 Suburban

Nothing lasts forever. Even your GMC R2500 Suburban's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1991 GMC R2500 Suburban repairs.

We Know GMC R2500 Suburban Engines

GMC R2500 Suburban 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 sideways sometimes. If they do, you’ll have to find a dependable 1991 GMC service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service GMC R2500 Suburban engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1991 GMC R2500 Suburban

As soon as your R2500 Suburban check engine light turns on, it’s time to get an expert’s opinion. 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. Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your R2500 Suburban issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

GMC R2500 Suburban Engine Repair

If your 1991 GMC R2500 Suburban needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for GMC R2500 Suburban 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, sensors, or other parts.

Engine Q&A 1991 GMC R2500 Suburban

Why does the check engine light in my R2500 Suburban turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your R2500 Suburban firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are GMC R2500 Suburban engine noises bad? Unusual noises can signal a problem with your GMC R2500 Suburban 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 indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC R2500 Suburban engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my GMC R2500 Suburban 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 R2500 Suburban when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my R2500 Suburban to suddenly stop? There are different reasons your R2500 Suburban vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who repairs GMC R2500 Suburban engines? Your local Firestone Complete Auto Care fixes GMC R2500 Suburban engines. Book an appointment today! We have thousands of locations across the country.