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

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 light should turn off in a bit, but come see us if it doesn't.

Are Mercury Mountaineer engine noises bad?

Strange under-the-hood noises can point to problems within your Mercury Mountaineer engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

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

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Mercury Mountaineer 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.

What could cause my Mountaineer engine to suddenly stop?

There are different reasons your Mountaineer 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.

Where can I go for Mercury Mountaineer repair?

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

2007 Mercury Mountaineer Engine Repair

Learn about

2007 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

Mercury Mountaineer Repairs and Services

Stuff wears out. Even your Mercury Mountaineer’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 2007 Mercury Mountaineer repairs.

We Care for Mercury Mountaineer Engines

The Mercury Mountaineer 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 2007 Mercury Mountaineer engine repairs. 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 Mercury Mountaineer engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. 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 2007 Mercury Mountaineer

If your Mountaineer 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 vehicle's ignition, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Mountaineer in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your Mercury Mountaineer engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

Mercury Mountaineer Engine Repair

When your Mercury Mountaineer engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 2007 Mountaineer engine repairs and you can feel good knowing that we only use Mercury-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or a different component.

2007 Mercury Mountaineer Engine Q&A

Why does the check engine light come on when I start my Mountaineer? 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 light should turn off in a bit, but come see us if it doesn't.
Are Mercury Mountaineer engine noises bad? Strange under-the-hood noises can point to problems within your Mercury Mountaineer engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Mercury engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercury Mountaineer engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Mercury Mountaineer 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.
What could cause my Mountaineer engine to suddenly stop? There are different reasons your Mountaineer 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.
Where can I go for Mercury Mountaineer repair? Your local Firestone Complete Auto Care fixes Mercury Mountaineer engines. Book an appointment today! We have thousands of locations across the country.