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 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're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

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, flooring the gas pedal while the car 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.

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.

What can cause the engine in my Wrangler 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 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.

2012 Jeep Wrangler Engine Repair

Learn about

2012 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.

V6/3.6L

Repairs for Your 2012 Jeep Wrangler

Nothing lasts forever. Even your Jeep Wrangler’s engine parts and components will change. 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 2012 Jeep Wrangler.

We Care for Jeep Wrangler Engines

The Jeep Wrangler is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2012 Jeep Wrangler engine repairs. 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 an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2012 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 car’s starter, Possible causes can include a failing oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Wrangler in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Jeep Wrangler engine service might include essential fluid leaks, or engine misfiring.

Jeep Wrangler Engine Repair

If your 2012 Jeep Wrangler needs engine repair, 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 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 2012 Wrangler engine repairs and you can drive easy knowing that we use Jeep-approved parts and fluids — cambelt, engine oil seal, ignition coil, or a different component.

Engine Q&A 2012 Jeep Wrangler

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 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're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
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, flooring the gas pedal while the car 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.
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.
What can cause the engine in my Wrangler 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 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.