Why does my G3500’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. This is just your G3500 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my GMC G3500 making engine noise?

Unusual noises can signal a problem with your GMC G3500 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G3500 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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 GMC G3500 radiator?

It’s not recommended you put water in your G3500 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.

What can cause the engine in my G3500 to suddenly stop?

There are different reasons your G3500 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 repairs GMC G3500 engines?

Your local Firestone Complete Auto Care has you covered with expert G3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 1993 GMC G3500

Learn about

1993 GMC G3500 Trim Options

Select your GMC G3500 trim level to learn more about GMC-recommended engine repair. Even GMC G3500 parts will get older and change.

V6/4.3L

V8/5.7L

V8/6.2L

V8/7.4L

1993 GMC G3500 Repair

Stuff wears out. Even your GMC G3500’s engine parts and components will change. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 1993 GMC G3500.

We’re Trained to Care for GMC G3500 Engines

GMC G3500 engines are known for their reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1993 GMC service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC G3500 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1993 GMC G3500 Check Engine Light Is On

As soon as your G3500 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your combustion, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your G3500 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or misfiring.

GMC G3500 Engine Repair

If your 1993 GMC G3500 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for G3500 engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — timing belt, oil gasket, ignition coil, or a different component.

Engine Q&A 1993 GMC G3500

Why does my G3500’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. This is just your G3500 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my GMC G3500 making engine noise? Unusual noises can signal a problem with your GMC G3500 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC G3500 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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 GMC G3500 radiator? It’s not recommended you put water in your G3500 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.
What can cause the engine in my G3500 to suddenly stop? There are different reasons your G3500 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 repairs GMC G3500 engines? Your local Firestone Complete Auto Care has you covered with expert G3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.