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

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

Why is my Jeep Grand Cherokee making engine noise?

Strange engine sounds can be a sign something’s off in your Jeep Grand Cherokee. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Jeep engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jeep Grand Cherokee engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my Jeep Grand Cherokee radiator?

It’s not recommended you put water in your Grand Cherokee 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 Grand Cherokee engine suddenly stop?

There are different reasons your Grand Cherokee 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 repairs Jeep Grand Cherokee engines?

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

Reliable Repairs for 2021 Jeep Grand Cherokee Engines

Learn about

2021 Jeep Grand Cherokee Trim Options

Select your Jeep Grand Cherokee trim level to learn more about Jeep-recommended engine repair. Use the following chart to find information.

V6/3.0L

V6/3.6L

V8/5.7L

V8/6.2L

V8/6.4L

Jeep Grand Cherokee Repairs and Services

Nothing lasts forever. Even your Jeep Grand Cherokee’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2021 Jeep Grand Cherokee services.

We’re Trained to Care for Jeep Grand Cherokee Engines

The Jeep Grand Cherokee 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. When they do, you might find yourself searching for 2021 Jeep Grand Cherokee engine repair or replacement parts. 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 Jeep Grand Cherokee engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2021 Jeep Grand Cherokee Check Engine Light Is On

As soon as your Grand Cherokee 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 control system that won’t go away on its own. Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Grand Cherokee issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Jeep Grand Cherokee engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2021 Grand Cherokee

If your 2021 Grand Cherokee engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2021 Grand Cherokee engine repairs and you can feel good knowing that we only use Jeep-compliant replacement parts such as the cambelt, oil gasket, fuses, or other parts.

Engine Q&A 2021 Jeep Grand Cherokee

Why does the check engine light in my Grand Cherokee turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Grand Cherokee testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Jeep Grand Cherokee making engine noise? Strange engine sounds can be a sign something’s off in your Jeep Grand Cherokee. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Jeep engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jeep Grand Cherokee engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my Jeep Grand Cherokee radiator? It’s not recommended you put water in your Grand Cherokee 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 Grand Cherokee engine suddenly stop? There are different reasons your Grand Cherokee 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 repairs Jeep Grand Cherokee engines? Your local Firestone Complete Auto Care fixes Jeep Grand Cherokee engines. Book an appointment today! We have thousands of locations across the country.