Why does my Regal’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 a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Buick Regal engine noises bad?

Strange engine sounds can be a sign something’s off in your Buick Regal. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Buick Regal engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Buick Regal 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 Regal when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my Regal engine to suddenly stop?

Your Regal 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 Buick Regal repair?

Your local Firestone Complete Auto Care has you covered with expert Regal engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1991 Buick Regal Engine Repair

Learn about

1991 Buick Regal Trim Options

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

V6/3.1L

V6/3.8L

Buick Regal Repairs and Services

Stuff wears out. Even your Buick Regal's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1991 Buick Regal repairs.

We Know Buick Regal Engines

Buick Regal drivers trust that their Regal will take them near and far. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 1991 Buick Regal engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Buick Regal engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1991 Buick Regal

As soon as your Regal 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 fuel, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Regal issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, oil leaks, or a sinking feeling that something’s wrong.

Buick Regal Engine Repair

If your 1991 Regal engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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 Buick Regal engine repairs and you can feel good knowing that we only use Buick-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or another part.

Engine Q&A 1991 Buick Regal

Why does my Regal’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 a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Buick Regal engine noises bad? Strange engine sounds can be a sign something’s off in your Buick Regal. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Buick Regal engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Buick Regal 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 Regal when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my Regal engine to suddenly stop? Your Regal 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 Buick Regal repair? Your local Firestone Complete Auto Care has you covered with expert Regal engine repair. Schedule an appointment today and see us at one of our thousands of locations.