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

Why does my Chevrolet engine sound different?

Strange engine sounds can be a sign something’s off in your Chevrolet K20. 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 might be coming from the brakes, not the engine.

What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet K20 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Chevrolet K20 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 K20 engine to suddenly stop?

There are different reasons your K20 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who can repair my Chevrolet K20 engine?

For Chevrolet K20 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 1986 Chevrolet K20

Learn about

1986 Chevrolet K20 Trim Options

Select your Chevrolet K20 trim level to learn more about Chevrolet-recommended engine repair. Even Chevrolet K20 parts will get older and change.

L6/4.8L

V8/5.7L

V8/6.2L

1986 Chevrolet K20 Repair

Stuff wears out. Even your Chevrolet K20’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1986 Chevrolet K20.

We Care for Chevrolet K20 Engines

Chevrolet K20 engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 1986 Chevrolet K20 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 Chevrolet K20 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1986 Chevrolet K20

As soon as your K20 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel, Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your K20 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs your Chevrolet K20 engine needs some TLC are oil leaks, or misfiring.

1986 K20 Engine Services

When your Chevrolet K20 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 repair can wait, we'll let 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. Turn to Firestone Complete Auto Care for your 1986 K20 engine repairs and you can feel confident knowing that we use Chevrolet-approved parts and components like the cambelt, engine oil seal, ignition coil, or another part.

Questions About 1986 Chevrolet K20 Engines

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Chevrolet engine sound different? Strange engine sounds can be a sign something’s off in your Chevrolet K20. 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 might be coming from the brakes, not the engine.
What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet K20 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Chevrolet K20 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 K20 engine to suddenly stop? There are different reasons your K20 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who can repair my Chevrolet K20 engine? For Chevrolet K20 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.