Why does the check engine light in my Wrangler JK 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 JK firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Jeep Wrangler JK engine noises bad?

Strange under-the-hood noises can point to problems within your Jeep Wrangler JK engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 JK 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 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 Wrangler JK radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my Wrangler JK engine suddenly stop?

Your Wrangler JK 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 JK engines?

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

2018 Jeep Wrangler JK Engine Repair

Learn about

2018 Jeep Wrangler JK Trim Options

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

V6/3.6L

Jeep Wrangler JK Repairs and Services

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

We Know Jeep Wrangler JK Engines

The Jeep Wrangler JK 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. When they do, you might find yourself searching for 2018 Jeep Wrangler JK engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Jeep Wrangler JK engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2018 Jeep Wrangler JK

An illuminated check engine light on your Jeep Wrangler JK 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, Potential causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Wrangler JK in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or engine misfiring.

Engine Repairs for Your 2018 Wrangler JK

If your 2018 Jeep Wrangler JK needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2018 Wrangler JK engine repairs and you can feel confident knowing that we use Jeep-approved parts and components like the serpentine belt, valve guide seal, sensors, or other parts.

2018 Jeep Wrangler JK Engine Q&A

Why does the check engine light in my Wrangler JK 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 JK firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Jeep Wrangler JK engine noises bad? Strange under-the-hood noises can point to problems within your Jeep Wrangler JK engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 JK 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 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 Wrangler JK radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my Wrangler JK engine suddenly stop? Your Wrangler JK 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 JK engines? Your local Firestone Complete Auto Care offers Jeep Wrangler JK engine repair. Schedule an appointment today at one of our thousands of locations nationwide!