Why does the check engine light in my K20 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your K20 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Chevrolet K20 engine noises bad?

Unusual noises can signal a problem with your Chevrolet K20 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 indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet K20 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Chevrolet K20 radiator?

While it’s not recommended, you can use water in your K20 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.

Why did my K20 engine suddenly stop?

Reasons your K20 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Chevrolet K20 engines?

Your local Firestone Complete Auto Care fixes Chevrolet K20 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1985 Chevrolet K20

Learn about

1985 Chevrolet K20 Trim Options

Select your Chevrolet K20 trim level to learn more about Chevrolet-recommended engine repair. Use the following chart to find information.

L6/4.8L

V6/4.3L

V8/5.0L

V8/5.7L

V8/6.2L

Repairs for Your 1985 Chevrolet K20

Stuff wears out. Even your Chevrolet K20's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1985 Chevrolet K20 services.

We Care for Chevrolet K20 Engines

Chevrolet K20 drivers trust that their K20 will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 1985 Chevrolet service center — quick! 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 Chevrolet K20 engines. 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.

My 1985 Chevrolet K20 Check Engine Light Is On

If your K20 check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your K20 issues diagnosed and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

1985 K20 Engine Services

If your 1985 Chevrolet K20 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for K20 engine repairs and you can feel confident knowing that we use Chevrolet-approved parts and components like the timing chain or belt, valve guide seal, ignition coil, or other parts.

Engine Q&A 1985 Chevrolet K20

Why does the check engine light in my K20 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your K20 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Chevrolet K20 engine noises bad? Unusual noises can signal a problem with your Chevrolet K20 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 indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet K20 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Chevrolet K20 radiator? While it’s not recommended, you can use water in your K20 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.
Why did my K20 engine suddenly stop? Reasons your K20 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Chevrolet K20 engines? Your local Firestone Complete Auto Care fixes Chevrolet K20 engines. Book an appointment today! We have thousands of locations across the country.