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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your DTS firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Cadillac DTS making engine noise?

Strange engine sounds can be a sign something’s off in your Cadillac DTS. 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 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 DTS 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 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.

Can I use water in my Cadillac DTS radiator?

It’s not recommended you put water in your DTS 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.

What can cause a DTS engine to suddenly stop?

If your DTS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who fixes Cadillac DTS engines?

For Cadillac DTS 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.

2009 Cadillac DTS Engine Repair

Learn about

2009 Cadillac DTS Trim Options

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

V8/4.6L

Cadillac DTS Repairs and Services

Nothing lasts forever. Even your Cadillac DTS’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2009 Cadillac DTS.

We’re Trained to Care for Cadillac DTS Engines

Cadillac DTS drivers trust that their DTS will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2009 Cadillac DTS engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Cadillac DTS engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2009 Cadillac DTS

As soon as your DTS check engine light turns on, it’s time to get an expert’s opinion. 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. Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your DTS issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for Cadillac DTS engine service might include burning smells, or misfiring.

2009 DTS Engine Services

If your 2009 Cadillac DTS needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Cadillac DTS engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the serpentine belt, engine oil seal, fuses, or another part.

Questions About 2009 Cadillac DTS Engines

Why does the check engine light in my DTS turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your DTS firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Cadillac DTS making engine noise? Strange engine sounds can be a sign something’s off in your Cadillac DTS. 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 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 DTS 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 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.
Can I use water in my Cadillac DTS radiator? It’s not recommended you put water in your DTS 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.
What can cause a DTS engine to suddenly stop? If your DTS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who fixes Cadillac DTS engines? For Cadillac DTS 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.