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

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.

Are Dodge Diplomat engine noises bad?

Strange under-the-hood noises can point to problems within your Dodge Diplomat 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 Dodge Diplomat engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Dodge Diplomat radiator?

While it’s not recommended, you can use water in your Diplomat radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a Diplomat engine to suddenly stop?

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

Who can repair my Dodge Diplomat engine?

For Dodge Diplomat 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.

Engine Repairs for Your 1983 Dodge Diplomat

Learn about

1983 Dodge Diplomat Trim Options

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

L6/3.7L

V8/5.2L

1983 Dodge Diplomat Repair

Stuff wears out. Even your Dodge Diplomat's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1983 Dodge Diplomat services.

We Know Dodge Diplomat Engines

The Dodge Diplomat is respected for its reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 1983 Dodge Diplomat 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 Dodge Diplomat engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 1983 Dodge Diplomat

An illuminated check engine light on your Dodge Diplomat 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 vehicle's ignition, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your Diplomat to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for Dodge Diplomat engine service might include essential fluid leaks, or misfiring.

Engine Repairs for Your 1983 Diplomat

If your 1983 Diplomat engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Dodge Diplomat engine repairs and you can feel confident knowing that we use Dodge-approved parts and components like the serpentine belt, engine oil seal, ignition coil, or another part.

Engine Q&A 1983 Dodge Diplomat

Why does the check engine light come on when I start my Diplomat? 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.
Are Dodge Diplomat engine noises bad? Strange under-the-hood noises can point to problems within your Dodge Diplomat 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 Dodge Diplomat engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Dodge Diplomat radiator? While it’s not recommended, you can use water in your Diplomat radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a Diplomat engine to suddenly stop? Your Diplomat car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my Dodge Diplomat engine? For Dodge Diplomat 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.