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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Allante testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Cadillac Allante engine noises bad?

Strange under-the-hood noises can point to problems within your Cadillac Allante engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac Allante engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 Cadillac Allante 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 Allante engine to suddenly stop?

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

Who repairs Cadillac Allante engines?

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

Engine Repairs for Your 1991 Cadillac Allante

Learn about

1991 Cadillac Allante Trim Options

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

V8/4.5L

Cadillac Allante Repairs and Services

Nothing lasts forever. Even your Cadillac Allante's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 1991 Cadillac Allante services.

We Know Cadillac Allante Engines

Cadillac Allante 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. When they do, you might find yourself searching for 1991 Cadillac Allante engine repair or replacement parts. 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 Cadillac Allante engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. 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 Cadillac Allante

An illuminated check engine light on your Cadillac Allante is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your Allante to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs your Cadillac Allante engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1991 Allante

If your 1991 Cadillac Allante needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 1991 Allante engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — cambelt, engine oil seal, ignition coil, or a different component.

1991 Cadillac Allante Engine Q&A

Why does the check engine light in my Allante turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Allante testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Cadillac Allante engine noises bad? Strange under-the-hood noises can point to problems within your Cadillac Allante engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac Allante engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 Cadillac Allante 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 Allante engine to suddenly stop? Your Allante car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Cadillac Allante engines? Your local Firestone Complete Auto Care fixes Cadillac Allante engines. Book an appointment today! We have thousands of locations across the country.