Why does my G20’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your G20 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Chevrolet G20 making engine noise?

Strange engine sounds can be a sign something’s off in your Chevrolet G20. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 G20 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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.

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

It’s not recommended you put water in your G20 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

Why did my G20 engine suddenly stop?

If your G20 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Chevrolet G20 engine?

Your local Firestone Complete Auto Care has you covered with expert G20 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1990 Chevrolet G20 Engine Repair

Learn about

1990 Chevrolet G20 Trim Options

Select your Chevrolet G20 trim level to learn more about Chevrolet-recommended engine repair. Use the following chart to find information.

V6/4.3L

V8/5.0L

V8/5.7L

V8/6.2L

Repairs for Your 1990 Chevrolet G20

Nothing stays the same forever. Even your Chevrolet G20's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 1990 Chevrolet G20 repairs.

We Know Chevrolet G20 Engines

Chevrolet G20 engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 1990 Chevrolet G20 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Chevrolet G20 engines. 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 1990 Chevrolet G20

An illuminated check engine light on your Chevrolet G20 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s starter, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your G20 issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your Chevrolet G20 engine needs some TLC are oil leaks, or misfiring.

Engine Repairs for Your 1990 G20

When your Chevrolet G20 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure 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. Choose Firestone Complete Auto Care for Chevrolet G20 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 another part.

Engine Q&A 1990 Chevrolet G20

Why does my G20’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. It’s just your G20 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Chevrolet G20 making engine noise? Strange engine sounds can be a sign something’s off in your Chevrolet G20. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 G20 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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.
Is it okay to put water in my Chevrolet G20 radiator? It’s not recommended you put water in your G20 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
Why did my G20 engine suddenly stop? If your G20 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Chevrolet G20 engine? Your local Firestone Complete Auto Care has you covered with expert G20 engine repair. Schedule an appointment today and see us at one of our thousands of locations.