Why does the check engine light in my K1500 turn on when I start my car?

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my GMC K1500 making engine noise?

Strange engine sounds can be a sign something’s off in your GMC K1500. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC K1500 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my GMC K1500 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 K1500 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my K1500 to suddenly stop?

Reasons your K1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who repairs GMC K1500 engines?

Your local Firestone Complete Auto Care fixes GMC K1500 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1986 GMC K1500 Engines

Learn about

1986 GMC K1500 Trim Options

Select your GMC K1500 trim level to learn more about GMC-recommended engine repair. Even GMC K1500 parts will get older and change.

V6/4.3L

V8/5.0L

V8/5.7L

V8/6.2L

Repairs for Your 1986 GMC K1500

Nothing lasts forever. Even your GMC K1500's many parts and pieces. 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 GMC K1500.

We Care for GMC K1500 Engines

GMC K1500 engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If they do, you’ll have to find a dependable 1986 GMC service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your GMC K1500 engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 1986 GMC K1500 Check Engine Light Is On

If your K1500 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 combustion, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your K1500 issues diagnosed and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1986 K1500

If your 1986 K1500 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for GMC K1500 engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the timing chain or belt, engine oil seal, sensors, or other parts.

Engine Q&A 1986 GMC K1500

Why does the check engine light in my K1500 turn on when I start my car? 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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my GMC K1500 making engine noise? Strange engine sounds can be a sign something’s off in your GMC K1500. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC K1500 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 pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my GMC K1500 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 K1500 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my K1500 to suddenly stop? Reasons your K1500 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs GMC K1500 engines? Your local Firestone Complete Auto Care fixes GMC K1500 engines. Book an appointment today! We have thousands of locations across the country.