Why does the check engine light in my Sigma 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 light should go off shortly. Bring your vehicle in if it doesn't.

Are Mitsubishi Sigma engine noises bad?

Unusual noises can signal a problem with your Mitsubishi Sigma 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 my Mitsubishi Sigma 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Mitsubishi Sigma 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 Sigma engine to suddenly stop?

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

Where can I go for Mitsubishi Sigma repair?

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

1989 Mitsubishi Sigma Engine Repair

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1989 Mitsubishi Sigma Trim Options

Select your Mitsubishi Sigma trim level to learn more about Mitsubishi-recommended engine repair. Use the following chart to find information.

V6/3.0L

Mitsubishi Sigma Repairs and Services

Nothing lasts forever. Even your Mitsubishi Sigma's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1989 Mitsubishi Sigma repairs.

We’re Trained to Care for Mitsubishi Sigma Engines

Mitsubishi Sigma drivers trust that their Sigma 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. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1989 Mitsubishi Sigma engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Mitsubishi Sigma engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1989 Mitsubishi Sigma

An illuminated check engine light on your Mitsubishi Sigma is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your Sigma issues diagnosed and we'll determine exactly why your check engine light is on. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1989 Sigma

If your 1989 Mitsubishi Sigma 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 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 Sigma engine repairs and you can feel confident knowing that we use Mitsubishi-approved parts and components like the serpentine belt, valve guide seal, ignition coil, or another part.

1989 Mitsubishi Sigma Engine Q&A

Why does the check engine light in my Sigma 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 light should go off shortly. Bring your vehicle in if it doesn't.
Are Mitsubishi Sigma engine noises bad? Unusual noises can signal a problem with your Mitsubishi Sigma 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 my Mitsubishi Sigma 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Mitsubishi Sigma 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 Sigma engine to suddenly stop? If your Sigma car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Mitsubishi Sigma repair? Your local Firestone Complete Auto Care fixes Mitsubishi Sigma engines. Book an appointment today! We have thousands of locations across the country.