Why does the check engine light in my C3500 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Chevrolet engine sound different?

Strange under-the-hood noises can point to problems within your Chevrolet C3500 engine. 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 might be coming from the brakes, not the engine.

What could damage my Chevrolet C3500 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Chevrolet C3500 radiator?

While it’s not recommended, you can use water in your C3500 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 a C3500 engine to suddenly stop?

There are different reasons your C3500 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 fixes Chevrolet C3500 engines?

Your local Firestone Complete Auto Care has you covered with expert C3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1991 Chevrolet C3500 Engine Repair

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1991 Chevrolet C3500 Trim Options

Select your Chevrolet C3500 trim level to learn more about Chevrolet-recommended engine repair. Even Chevrolet C3500 parts will get older and change.

V8/5.7L

V8/6.2L

V8/7.4L

Chevrolet C3500 Repairs and Services

Stuff wears out. Even your Chevrolet C3500's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 1991 Chevrolet C3500 repairs.

We Care for Chevrolet C3500 Engines

Chevrolet C3500 drivers trust that their C3500 will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 1991 Chevrolet C3500 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 millions of vehicles since 1926, and our professional technicians are trained to service Chevrolet C3500 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 1991 Chevrolet C3500 Check Engine Light Is On

If your C3500 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your C3500 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, essential fluid leaks, or misfiring.

Engine Repairs for Your 1991 C3500

If your 1991 C3500 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let 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. By choosing Firestone Complete Auto Care for C3500 engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the timing belt, valve guide seal, sensors, or a different component.

Engine Q&A 1991 Chevrolet C3500

Why does the check engine light in my C3500 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Chevrolet engine sound different? Strange under-the-hood noises can point to problems within your Chevrolet C3500 engine. 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 might be coming from the brakes, not the engine.
What could damage my Chevrolet C3500 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Chevrolet C3500 radiator? While it’s not recommended, you can use water in your C3500 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 a C3500 engine to suddenly stop? There are different reasons your C3500 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 fixes Chevrolet C3500 engines? Your local Firestone Complete Auto Care has you covered with expert C3500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.