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

It’s usually normal for your check engine light to turn on upon ignition. It’s just your Wrangler firing up 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'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 a sign of brake problems rather than engine issues.

What could damage my Jeep Wrangler engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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?

It’s not recommended you put water in your Wrangler 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 could cause my Wrangler engine to suddenly stop?

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

Who repairs 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.

Reliable Repairs for 2018 Jeep Wrangler Engines

Learn about

2018 Jeep Wrangler Trim Options

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

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

L4/2.0L

V6/3.6L

2018 Jeep Wrangler Repair

Stuff wears out. Even your Jeep Wrangler’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 2018 Jeep Wrangler.

We’re Trained to Care for Jeep Wrangler Engines

Jeep Wrangler engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2018 Jeep service center — quick! 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 Jeep Wrangler engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2018 Jeep Wrangler

An illuminated check engine light on your Jeep Wrangler is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Wrangler in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs it's time for Jeep Wrangler engine service might include burning smells, or misfiring.

2018 Wrangler Engine Services

When your Jeep Wrangler engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair isn’t urgent right now, 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. By choosing Firestone Complete Auto Care for Wrangler engine repairs and you can feel confident knowing that we use Jeep-approved parts and components like the serpentine belt, oil gasket, sensors, or other parts.

Questions About 2018 Jeep Wrangler Engines

Why does the check engine light in my Wrangler turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your Wrangler firing up 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'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 a sign of brake problems rather than engine issues.
What could damage my Jeep Wrangler engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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? It’s not recommended you put water in your Wrangler 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 could cause my Wrangler engine to suddenly stop? Your Wrangler car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs 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.