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

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.

Why is my Cadillac CTS making engine noise?

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

What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CTS 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

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

It’s not recommended you put water in your CTS radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

Why did my CTS engine suddenly stop?

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

Who fixes Cadillac CTS engines?

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

Engine Repairs for Your 2019 Cadillac CTS

Learn about

2019 Cadillac CTS Trim Options

Select your Cadillac CTS trim level to learn more about Cadillac-recommended engine repair. Even Cadillac CTS parts will get older and change.

L4/2.0L

V6/3.6L

V8/6.2L

2019 Cadillac CTS Repair

Nothing stays the same forever. Even your Cadillac CTS's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2019 Cadillac CTS repairs.

We Know Cadillac CTS Engines

The Cadillac CTS is respected for its reliability. That might be why you bought it in the first place. 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 2019 Cadillac service center — quick! 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 CTS 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.

Check Engine Light on 2019 Cadillac CTS

As soon as your CTS 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 car’s ignition, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your CTS 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 CTS engine needs some TLC are essential fluid leaks, or misfiring.

Engine Repairs for Your 2019 CTS

If your 2019 CTS 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 service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Cadillac CTS engine repairs and you can feel confident knowing that we use Cadillac-approved parts and components like the cambelt, motor oil seal, fuses, or another part.

Questions About 2019 Cadillac CTS Engines

Why does the check engine light come on when I start my CTS? 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.
Why is my Cadillac CTS making engine noise? Unusual noises can signal a problem with your Cadillac CTS engine. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CTS 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Cadillac CTS radiator? It’s not recommended you put water in your CTS radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
Why did my CTS engine suddenly stop? Your CTS car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Cadillac CTS engines? Your local Firestone Complete Auto Care fixes Cadillac CTS engines. Book an appointment today! We have thousands of locations across the country.