Why does the check engine light come on when I start my Mountaineer?

It’s usually normal for your check engine light to turn on upon ignition. This is just your Mountaineer testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Mercury engine sound different?

Strange engine sounds can be a sign something’s off in your Mercury Mountaineer. Tapping or knocking could mean you're low on 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 coming from the brakes, not the engine.

What could damage a Mercury engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercury Mountaineer 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 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 Mercury Mountaineer radiator?

While it’s not recommended, you can use water in your Mountaineer 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.

Why did my Mountaineer engine suddenly stop?

If your Mountaineer car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Mercury Mountaineer engine?

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

Reliable Repairs for 2006 Mercury Mountaineer Engines

Learn about

2006 Mercury Mountaineer Trim Options

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

V6/4.0L

V8/4.6L

Repairs for Your 2006 Mercury Mountaineer

Stuff wears out. Even your Mercury Mountaineer’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 2006 Mercury Mountaineer.

We’re Trained to Care for Mercury Mountaineer Engines

Mercury Mountaineer 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. Things can go wrong on the road. When they do, you might find yourself searching for 2006 Mercury Mountaineer engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mercury Mountaineer engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2006 Mercury Mountaineer Check Engine Light Is On

An illuminated check engine light on your Mercury Mountaineer 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 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 an engine vacuum leak, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your Mountaineer issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2006 Mountaineer

If your 2006 Mercury Mountaineer 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. 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 2006 Mountaineer engine repairs and you can drive easy knowing that we use Mercury-approved parts and fluids — timing chain or belt, engine oil seal, sensors, or another part.

Questions About 2006 Mercury Mountaineer Engines

Why does the check engine light come on when I start my Mountaineer? It’s usually normal for your check engine light to turn on upon ignition. This is just your Mountaineer testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Mercury engine sound different? Strange engine sounds can be a sign something’s off in your Mercury Mountaineer. Tapping or knocking could mean you're low on 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 coming from the brakes, not the engine.
What could damage a Mercury engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercury Mountaineer 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 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 Mercury Mountaineer radiator? While it’s not recommended, you can use water in your Mountaineer 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.
Why did my Mountaineer engine suddenly stop? If your Mountaineer car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Mercury Mountaineer engine? Your local Firestone Complete Auto Care offers Mercury Mountaineer engine repair. Schedule an appointment today at one of our thousands of locations nationwide!