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. This is just your Wrangler testing 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. 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?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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 add water to 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 a Wrangler engine to suddenly stop?

There are different reasons your Wrangler 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 fixes 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 1999 Jeep Wrangler Engines

Learn about

1999 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.

L4/2.5L

L6/4.0L

Repairs for Your 1999 Jeep Wrangler

Stuff wears out. Even your Jeep Wrangler's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 1999 Jeep Wrangler.

We Care for Jeep Wrangler Engines

Jeep Wrangler engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 1999 Jeep service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Jeep Wrangler engines. 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 1999 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 steady or flashing check engine light could signal a serious issue with your combustion, Causes may include a faulty oxygen sensor, worn spark plug, issues 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 determine exactly why your check engine light is on. engine pinging noises, burning smells, or a sinking feeling that something’s wrong.

Jeep Wrangler Engine Repair

If your 1999 Wrangler engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 1999 Wrangler engine repairs and you can feel good knowing that we only use Jeep-compliant replacement parts such as the timing belt, engine oil seal, fuses, or another part.

1999 Jeep Wrangler Engine Q&A

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. This is just your Wrangler testing 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. 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? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car 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 add water to 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 a Wrangler engine to suddenly stop? There are different reasons your Wrangler 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 fixes 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.