Why does my Mariner’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Mariner firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Mercury Mariner making engine noise?

Strange engine sounds can be a sign something’s off in your Mercury Mariner. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Mercury Mariner engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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 put water in my Mercury Mariner radiator?

It’s not recommended you put water in your Mariner 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 a Mariner engine to suddenly stop?

If your Mariner 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 repairs Mercury Mariner engines?

For Mercury Mariner engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

2006 Mercury Mariner Engine Repair

Learn about

2006 Mercury Mariner Trim Options

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

L4/2.3L

V6/3.0L

L4/2.3L

V6/3.0L

2006 Mercury Mariner Repair

Nothing lasts forever. Even your Mercury Mariner’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 2006 Mercury Mariner repairs.

We Know Mercury Mariner Engines

Mercury Mariner engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2006 Mercury Mariner engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Mercury Mariner engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2006 Mercury Mariner Check Engine Light Is On

An illuminated check engine light on your Mercury Mariner 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 system that won't go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your Mariner to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. rattling sounds, essential fluid leaks, or engine misfiring.

2006 Mariner Engine Services

When your Mercury Mariner 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Mercury Mariner engine repairs and you can feel good knowing that we only use Mercury-compliant replacement parts such as the timing belt, oil gasket, fuses, or other parts.

Engine Q&A 2006 Mercury Mariner

Why does my Mariner’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Mariner firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Mercury Mariner making engine noise? Strange engine sounds can be a sign something’s off in your Mercury Mariner. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Mercury Mariner engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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 put water in my Mercury Mariner radiator? It’s not recommended you put water in your Mariner 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 a Mariner engine to suddenly stop? If your Mariner 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 repairs Mercury Mariner engines? For Mercury Mariner engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.