Why does the check engine light come on when I start my G20?

It's okay if your check engine light comes on when you first start your vehicle. 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 G20 engine noises bad?

Strange under-the-hood noises can point to problems within your Chevrolet G20 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 coming from the brakes, not the engine.

What could damage my Chevrolet G20 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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.

Is it okay to put water in my Chevrolet G20 radiator?

While it’s not recommended, you can use water in your G20 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 G20 engine suddenly stop?

Your G20 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 G20 engine?

Your local Firestone Complete Auto Care offers Chevrolet G20 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1986 Chevrolet G20 Engines

Learn about

1986 Chevrolet G20 Trim Options

Select your Chevrolet G20 trim level to learn more about Chevrolet-recommended engine repair. Even Chevrolet G20 parts will get older and change.

V6/4.3L

V8/5.0L

V8/5.7L

V8/6.2L

Chevrolet G20 Repairs and Services

Nothing stays the same forever. Even your Chevrolet G20’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 G20.

We Care for Chevrolet G20 Engines

The Chevrolet G20 is respected for its 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 wrong on the road. When they do, you might find yourself searching for 1986 Chevrolet G20 engine repair or replacement parts. 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 G20 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 1986 Chevrolet G20

If your G20 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 fuel injection, Causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your G20 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs it's time for Chevrolet G20 engine service might include burning smells, or engine misfiring.

1986 G20 Engine Services

When your Chevrolet G20 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 service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 Chevrolet G20 engine repairs and you can feel confident knowing that we use Chevrolet-approved parts and components like the cambelt, valve guide seal, sensors, or another part.

1986 Chevrolet G20 Engine Q&A

Why does the check engine light come on when I start my G20? It's okay if your check engine light comes on when you first start your vehicle. 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 G20 engine noises bad? Strange under-the-hood noises can point to problems within your Chevrolet G20 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 coming from the brakes, not the engine.
What could damage my Chevrolet G20 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is 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.
Is it okay to put water in my Chevrolet G20 radiator? While it’s not recommended, you can use water in your G20 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 G20 engine suddenly stop? Your G20 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 G20 engine? Your local Firestone Complete Auto Care offers Chevrolet G20 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!