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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Montero firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Mitsubishi Montero making engine noise?

Unusual noises can signal a problem with your Mitsubishi Montero 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 might be a sign of brake problems rather than engine issues.

What could damage my Mitsubishi Montero 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Mitsubishi Montero radiator?

It’s not recommended you put water in your Montero 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 Montero to suddenly stop?

Your Montero car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Mitsubishi Montero repair?

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

Engine Repairs for Your 2003 Mitsubishi Montero

Learn about

2003 Mitsubishi Montero Trim Options

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

V6/3.8L

Repairs for Your 2003 Mitsubishi Montero

Stuff wears out. Even your Mitsubishi Montero’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2003 Mitsubishi Montero.

We Care for Mitsubishi Montero Engines

Mitsubishi Montero drivers trust that their Montero will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2003 Mitsubishi Montero 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 millions of vehicles since 1926, and our professional technicians are trained to service Mitsubishi Montero engines. 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 2003 Mitsubishi Montero

An illuminated check engine light on your Mitsubishi Montero 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 car’s starter, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your Montero in for an on-board diagnostic check 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 2003 Montero

If your 2003 Montero engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let 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. By choosing Firestone Complete Auto Care for Montero engine repairs and you can feel good knowing that we only use Mitsubishi-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or another part.

Questions About 2003 Mitsubishi Montero Engines

Why does the check engine light come on when I start my Montero? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Montero firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Mitsubishi Montero making engine noise? Unusual noises can signal a problem with your Mitsubishi Montero 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 might be a sign of brake problems rather than engine issues.
What could damage my Mitsubishi Montero 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Mitsubishi Montero radiator? It’s not recommended you put water in your Montero 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 Montero to suddenly stop? Your Montero car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Mitsubishi Montero repair? Your local Firestone Complete Auto Care fixes Mitsubishi Montero engines. Book an appointment today! We have thousands of locations across the country.