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

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Plymouth engine sound different?

Unusual noises can signal a problem with your Plymouth Conquest engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Plymouth Conquest 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Plymouth Conquest radiator?

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

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

Who repairs Plymouth Conquest engines?

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

Engine Repairs for Your 1984 Plymouth Conquest

Learn about

1984 Plymouth Conquest Trim Options

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

L4/2.6L

Repairs for Your 1984 Plymouth Conquest

Nothing lasts forever. Even your Plymouth Conquest’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 1984 Plymouth Conquest services.

We’re Trained to Care for Plymouth Conquest Engines

Plymouth Conquest engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1984 Plymouth Conquest engine repair or replacement parts. 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 Plymouth Conquest engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 1984 Plymouth Conquest

As soon as your Conquest check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Conquest issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for Plymouth Conquest engine service might include oil leaks, or misfiring.

1984 Conquest Engine Services

If your 1984 Conquest 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. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Plymouth Conquest engine repairs and you can drive easy knowing that we use Plymouth-approved parts and fluids — serpentine belt, motor oil seal, sensors, or other parts.

Engine Q&A 1984 Plymouth Conquest

Why does the check engine light come on when I start my Conquest? 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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Plymouth engine sound different? Unusual noises can signal a problem with your Plymouth Conquest engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Plymouth Conquest 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Plymouth Conquest radiator? It’s not recommended you put water in your Conquest 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 Conquest to suddenly stop? Your Conquest car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Plymouth Conquest engines? Your local Firestone Complete Auto Care fixes Plymouth Conquest engines. Book an appointment today! We have thousands of locations across the country.