Why does the check engine light come on when I start my Jimmy?

It’s usually normal for your check engine light to turn on upon ignition. This is just your Jimmy 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 Jimmy making engine noise?

Strange engine sounds can be a sign something’s off in your GMC Jimmy. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my GMC Jimmy engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 add water to my GMC Jimmy 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 Jimmy when you’re out of coolant, having water in the coolant reservoir is better than nothing.

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

If your Jimmy 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 fixes GMC Jimmy engines?

For GMC Jimmy engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 1986 GMC Jimmy

Learn about

1986 GMC Jimmy Trim Options

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

V8/5.0L

V8/5.7L

V8/6.2L

1986 GMC Jimmy Repair

Nothing stays the same forever. Even your GMC Jimmy's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1986 GMC Jimmy services.

We Care for GMC Jimmy Engines

GMC Jimmy drivers trust that their Jimmy will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1986 GMC Jimmy 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 more than 500 million vehicles since 1926, and our technicians know GMC Jimmy 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 1986 GMC Jimmy

An illuminated check engine light on your GMC Jimmy is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Jimmy 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 misfiring.

GMC Jimmy Engine Repair

When your GMC Jimmy engine needs repairs, 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 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. By choosing Firestone Complete Auto Care for Jimmy engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — timing belt, valve guide seal, ignition coil, or another part.

1986 GMC Jimmy Engine Q&A

Why does the check engine light come on when I start my Jimmy? It’s usually normal for your check engine light to turn on upon ignition. This is just your Jimmy 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 Jimmy making engine noise? Strange engine sounds can be a sign something’s off in your GMC Jimmy. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my GMC Jimmy engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 add water to my GMC Jimmy 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 Jimmy when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my Jimmy to suddenly stop? If your Jimmy 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 fixes GMC Jimmy engines? For GMC Jimmy engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.