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

It’s usually normal for your check engine light to turn on upon ignition. This is just your DeVille testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Cadillac DeVille engine noises bad?

Unusual noises can signal a problem with your Cadillac DeVille engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac DeVille engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas 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.

Can I use water in my Cadillac DeVille 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 DeVille engine to suddenly stop?

Your DeVille 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 Cadillac DeVille repair?

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

Engine Repairs for Your 1985 Cadillac DeVille

Learn about

1985 Cadillac DeVille Trim Options

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

V6/4.3L

V8/4.1L

Repairs for Your 1985 Cadillac DeVille

Nothing lasts forever. Even your Cadillac DeVille's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1985 Cadillac DeVille services.

We Care for Cadillac DeVille Engines

Cadillac DeVille drivers trust that their DeVille will take them near and far. 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 wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1985 Cadillac DeVille engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Cadillac DeVille engines. 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.

My 1985 Cadillac DeVille Check Engine Light Is On

As soon as your DeVille 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 or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your DeVille issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, burning smells, or engine misfiring.

1985 DeVille Engine Services

When your Cadillac DeVille engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1985 DeVille engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — timing belt, engine oil seal, fuses, or a different component.

1985 Cadillac DeVille Engine Q&A

Why does the check engine light in my DeVille turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your DeVille testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Cadillac DeVille engine noises bad? Unusual noises can signal a problem with your Cadillac DeVille engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac DeVille engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas 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.
Can I use water in my Cadillac DeVille 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 DeVille engine to suddenly stop? Your DeVille 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 Cadillac DeVille repair? Your local Firestone Complete Auto Care has you covered with expert DeVille engine repair. Schedule an appointment today and see us at one of our thousands of locations.