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

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Eldorado 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 Eldorado engine noises bad?

Strange under-the-hood noises can point to problems within your Cadillac Eldorado engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Cadillac Eldorado engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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.

Is it okay to put water in my Cadillac Eldorado radiator?

While it’s not recommended, you can use water in your Eldorado radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a Eldorado engine to suddenly stop?

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

Who repairs Cadillac Eldorado engines?

For Cadillac Eldorado engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

1989 Cadillac Eldorado Engine Repair

Learn about

1989 Cadillac Eldorado Trim Options

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

V8/4.5L

1989 Cadillac Eldorado Repair

Stuff wears out. Even your Cadillac Eldorado's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1989 Cadillac Eldorado.

We Know Cadillac Eldorado Engines

The Cadillac Eldorado is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1989 Cadillac 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 Cadillac Eldorado engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1989 Cadillac Eldorado

As soon as your Eldorado check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your Eldorado to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, essential fluid leaks, or engine misfiring.

1989 Eldorado Engine Services

When your Cadillac Eldorado 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. 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. Turn to Firestone Complete Auto Care for your 1989 Eldorado engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — cambelt, valve guide seal, ignition coil, or another part.

Questions About 1989 Cadillac Eldorado Engines

Why does the check engine light come on when I start my Eldorado? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Eldorado 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 Eldorado engine noises bad? Strange under-the-hood noises can point to problems within your Cadillac Eldorado engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Cadillac Eldorado engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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.
Is it okay to put water in my Cadillac Eldorado radiator? While it’s not recommended, you can use water in your Eldorado radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a Eldorado engine to suddenly stop? Your Eldorado car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Cadillac Eldorado engines? For Cadillac Eldorado engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.