Why does the check engine light in my Wrangler 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 Jeep Wrangler engine noises bad?

Strange under-the-hood noises can point to problems within your Jeep Wrangler engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Jeep engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jeep Wrangler 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Jeep Wrangler radiator?

While it’s not recommended, you can use water in your Wrangler 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 Wrangler to suddenly stop?

Reasons your Wrangler car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Jeep Wrangler engines?

For Jeep Wrangler 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.

Engine Repairs for Your 2021 Jeep Wrangler

Learn about

2021 Jeep Wrangler Trim Options

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

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

L4/2.0L

V6/3.0L

V6/3.6L

V8/6.4L

Jeep Wrangler Repairs and Services

Nothing lasts forever. Even your Jeep Wrangler’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2021 Jeep Wrangler services.

We Know Jeep Wrangler Engines

Jeep Wrangler drivers trust that their Wrangler will take them near and far. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 2021 Jeep Wrangler 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 more than 500 million vehicles since 1926, and our technicians know Jeep Wrangler 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.

My 2021 Jeep Wrangler Check Engine Light Is On

If your Wrangler check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your Wrangler to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or misfiring.

2021 Wrangler Engine Services

If your 2021 Jeep Wrangler needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let 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. Turn to Firestone Complete Auto Care for your 2021 Wrangler engine repairs and you can drive easy knowing that we use Jeep-approved parts and fluids — timing chain or belt, valve guide seal, sensors, or other parts.

2021 Jeep Wrangler Engine Q&A

Why does the check engine light in my Wrangler 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 Jeep Wrangler engine noises bad? Strange under-the-hood noises can point to problems within your Jeep Wrangler engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Jeep engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jeep Wrangler 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Jeep Wrangler radiator? While it’s not recommended, you can use water in your Wrangler 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 Wrangler to suddenly stop? Reasons your Wrangler car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Jeep Wrangler engines? For Jeep Wrangler 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.