Why does my ATS’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your ATS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Cadillac ATS engine noises bad?

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

What could damage my Cadillac ATS 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 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 ATS radiator?

While it’s not recommended, you can use water in your ATS 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 the engine in my ATS to suddenly stop?

There are different reasons your ATS vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who can repair my Cadillac ATS engine?

Your local Firestone Complete Auto Care offers Cadillac ATS engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2019 Cadillac ATS Engines

Learn about

2019 Cadillac ATS Trim Options

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

L4/2.0L

V6/3.6L

Cadillac ATS Repairs and Services

Nothing stays the same forever. Even your Cadillac ATS's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2019 Cadillac ATS services.

We Know Cadillac ATS Engines

The Cadillac ATS 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 2019 Cadillac service center — quick! That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac ATS engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2019 Cadillac ATS

If your ATS check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system that won't go away on its own. Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your ATS in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine rattling, oil leaks, or a sinking feeling that something’s wrong.

2019 ATS Engine Services

If your 2019 Cadillac ATS 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2019 ATS engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the serpentine belt, engine oil seal, ignition coil, or other parts.

2019 Cadillac ATS Engine Q&A

Why does my ATS’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your ATS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Cadillac ATS engine noises bad? Unusual noises can signal a problem with your Cadillac ATS 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Cadillac ATS 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 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 ATS radiator? While it’s not recommended, you can use water in your ATS 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 the engine in my ATS to suddenly stop? There are different reasons your ATS vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who can repair my Cadillac ATS engine? Your local Firestone Complete Auto Care offers Cadillac ATS engine repair. Schedule an appointment today at one of our thousands of locations nationwide!