Why does the check engine light come on when I start my Seville?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Seville firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Cadillac Seville engine noises bad?

Unusual noises can signal a problem with your Cadillac Seville 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Cadillac Seville 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Cadillac Seville 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 Seville engine to suddenly stop?

There are different reasons your Seville 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 can repair my Cadillac Seville engine?

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

Reliable Repairs for 1991 Cadillac Seville Engines

Learn about

1991 Cadillac Seville Trim Options

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

V8/4.9L

Repairs for Your 1991 Cadillac Seville

Nothing stays the same forever. Even your Cadillac Seville's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 1991 Cadillac Seville repairs.

We Care for Cadillac Seville Engines

Cadillac Seville drivers trust that their Seville will take them near and far. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1991 Cadillac service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac Seville engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. 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 1991 Cadillac Seville

An illuminated check engine light on your Cadillac Seville is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your Seville to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs it's time for Cadillac Seville engine service might include burning smells, or engine misfiring.

1991 Seville Engine Services

If your 1991 Seville engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for Seville engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the serpentine belt, valve guide seal, ignition coil, or another part.

Questions About 1991 Cadillac Seville Engines

Why does the check engine light come on when I start my Seville? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Seville firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Cadillac Seville engine noises bad? Unusual noises can signal a problem with your Cadillac Seville 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Cadillac Seville 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Cadillac Seville 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 Seville engine to suddenly stop? There are different reasons your Seville 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 can repair my Cadillac Seville engine? Your local Firestone Complete Auto Care offers Cadillac Seville engine repair. Schedule an appointment today at one of our thousands of locations nationwide!