Why does my G30’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 G30 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Chevrolet engine sound different?

Strange engine sounds can be a sign something’s off in your Chevrolet G30. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet G30 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car 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.

Is it okay to put water in my Chevrolet G30 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your G30 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my G30 engine to suddenly stop?

Reasons your G30 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Chevrolet G30 engines?

Your local Firestone Complete Auto Care offers Chevrolet G30 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1991 Chevrolet G30 Engines

Learn about

1991 Chevrolet G30 Trim Options

Select your Chevrolet G30 trim level to learn more about Chevrolet-recommended engine repair. Even Chevrolet G30 parts will get older and change.

V6/4.3L

V8/5.7L

V8/6.2L

V8/7.4L

Chevrolet G30 Repairs and Services

Nothing lasts forever. Even your Chevrolet G30’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1991 Chevrolet G30 services.

We Care for Chevrolet G30 Engines

The Chevrolet G30 is respected for its reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1991 Chevrolet G30 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 G30 engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 1991 Chevrolet G30

If your G30 check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission control 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 a leaking engine vacuum, to name a few possible causes. Bring your G30 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. rattling sounds, burning smells, or a sinking feeling that something’s wrong.

Chevrolet G30 Engine Repair

If your 1991 Chevrolet G30 needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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 1991 G30 engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the timing belt, oil gasket, ignition coil, or a different component.

1991 Chevrolet G30 Engine Q&A

Why does my G30’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 G30 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Chevrolet engine sound different? Strange engine sounds can be a sign something’s off in your Chevrolet G30. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet G30 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car 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.
Is it okay to put water in my Chevrolet G30 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your G30 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my G30 engine to suddenly stop? Reasons your G30 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Chevrolet G30 engines? Your local Firestone Complete Auto Care offers Chevrolet G30 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!