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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Wrangler 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 engine noises bad?

Strange engine sounds can be a sign something’s off in your Jeep Wrangler. Tapping or knocking could mean you need an oil change. 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?

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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I add water to 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.

Why did my Wrangler engine 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 repairs Jeep Wrangler engines?

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

Reliable Repairs for 2004 Jeep Wrangler Engines

Learn about

2004 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.

L4/2.4L

L6/4.0L

2004 Jeep Wrangler Repair

Stuff wears out. Even your Jeep Wrangler’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2004 Jeep Wrangler repairs.

We’re Trained to Care for Jeep Wrangler Engines

Jeep Wrangler drivers trust that their Wrangler will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. When they do, you might find yourself searching for 2004 Jeep Wrangler engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Jeep Wrangler engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2004 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 or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Wrangler issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, burning smells, or misfiring.

Jeep Wrangler Engine Repair

If your 2004 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 service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. 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 2004 Wrangler engine repairs and you can feel good knowing that we only use Jeep-compliant replacement parts such as the timing chain or belt, oil gasket, ignition coil, or another part.

Engine Q&A 2004 Jeep Wrangler

Why does the check engine light in my Wrangler turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Wrangler 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 engine noises bad? Strange engine sounds can be a sign something’s off in your Jeep Wrangler. Tapping or knocking could mean you need an oil change. 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? 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I add water to 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.
Why did my Wrangler engine 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 repairs Jeep Wrangler engines? Your local Firestone Complete Auto Care fixes Jeep Wrangler engines. Book an appointment today! We have thousands of locations across the country.