Why does my K20 Suburban’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Chevrolet K20 Suburban engine noises bad?

Strange under-the-hood noises can point to problems within your Chevrolet K20 Suburban engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 Suburban 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 pushing 'the pedal to the metal' before the engine has warmed up. 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 Suburban radiator?

While it’s not recommended, you can use water in your K20 Suburban 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 the engine in my K20 Suburban to suddenly stop?

Your K20 Suburban 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 Chevrolet K20 Suburban engine?

Your local Firestone Complete Auto Care has you covered with expert K20 Suburban engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1986 Chevrolet K20 Suburban Engine Repair

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1986 Chevrolet K20 Suburban Trim Options

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

V8/5.0L

V8/5.7L

V8/6.2L

Chevrolet K20 Suburban Repairs and Services

Nothing lasts forever. Even your Chevrolet K20 Suburban’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1986 Chevrolet K20 Suburban repairs.

We’re Trained to Care for Chevrolet K20 Suburban Engines

Chevrolet K20 Suburban engines are known for their 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 wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1986 Chevrolet K20 Suburban engine repairs. 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 Suburban engine will be in good hands. 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.

Check Engine Light on 1986 Chevrolet K20 Suburban

As soon as your K20 Suburban 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 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 an engine vacuum leak, but that's only a few of the possible causes. Bring your K20 Suburban in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs it's time for Chevrolet K20 Suburban engine service might include essential fluid leaks, or misfiring.

Engine Repairs for Your 1986 K20 Suburban

If your 1986 K20 Suburban engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for K20 Suburban engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the timing chain or belt, engine oil seal, sensors, or other parts.

1986 Chevrolet K20 Suburban Engine Q&A

Why does my K20 Suburban’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Chevrolet K20 Suburban engine noises bad? Strange under-the-hood noises can point to problems within your Chevrolet K20 Suburban engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 Suburban 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 pushing 'the pedal to the metal' before the engine has warmed up. 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 Suburban radiator? While it’s not recommended, you can use water in your K20 Suburban 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 the engine in my K20 Suburban to suddenly stop? Your K20 Suburban 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 Chevrolet K20 Suburban engine? Your local Firestone Complete Auto Care has you covered with expert K20 Suburban engine repair. Schedule an appointment today and see us at one of our thousands of locations.