Why does the check engine light in my CT6 turn on when I start my car?

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

Are Cadillac CT6 engine noises bad?

Strange under-the-hood noises can point to problems within your Cadillac CT6 engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to 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 CT6 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Cadillac CT6 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your CT6 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my CT6 to suddenly stop?

Your CT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Cadillac CT6 engines?

Your local Firestone Complete Auto Care fixes Cadillac CT6 engines. Book an appointment today! We have thousands of locations across the country.

2018 Cadillac CT6 Engine Repair

Learn about

2018 Cadillac CT6 Trim Options

Select your Cadillac CT6 trim level to learn more about Cadillac-recommended engine repair. Use the following chart to find information.

L4/2.0L

V6/3.0L

V6/3.6L

2018 Cadillac CT6 Repair

Stuff wears out. Even your Cadillac CT6’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2018 Cadillac CT6 repairs.

We’re Trained to Care for Cadillac CT6 Engines

The Cadillac CT6 is respected for its reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2018 Cadillac CT6 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 CT6 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 2018 Cadillac CT6

As soon as your CT6 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your CT6 issues diagnosed and our expert techs will get the root of the problem. Other signs your Cadillac CT6 engine needs some TLC are burning smells, or misfiring.

Cadillac CT6 Engine Repair

When your Cadillac CT6 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a service can wait, we’ll make sure 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. Choose Firestone Complete Auto Care for Cadillac CT6 engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the timing chain or belt, oil gasket, ignition coil, or another part.

Engine Q&A 2018 Cadillac CT6

Why does the check engine light in my CT6 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Cadillac CT6 engine noises bad? Strange under-the-hood noises can point to problems within your Cadillac CT6 engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to 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 CT6 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Cadillac CT6 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your CT6 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my CT6 to suddenly stop? Your CT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Cadillac CT6 engines? Your local Firestone Complete Auto Care fixes Cadillac CT6 engines. Book an appointment today! We have thousands of locations across the country.