Why does the check engine light come on when I start my S15 Jimmy?

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 turn off in a bit, but come see us if it doesn't.

Why does my GMC engine sound different?

Strange engine sounds can be a sign something’s off in your GMC S15 Jimmy. Tapping or knocking could mean you need an oil change. 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 a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC S15 Jimmy 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my GMC S15 Jimmy radiator?

While it’s not recommended, you can use water in your S15 Jimmy 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 could cause my S15 Jimmy engine to suddenly stop?

If your S15 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 can repair my GMC S15 Jimmy engine?

Your local Firestone Complete Auto Care has you covered with expert S15 Jimmy engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 1985 GMC S15 Jimmy

Learn about

1985 GMC S15 Jimmy Trim Options

Select your GMC S15 Jimmy trim level to learn more about GMC-recommended engine repair. Use the following chart to find information.

L4/2.5L

V6/2.8L

1985 GMC S15 Jimmy Repair

Nothing stays the same forever. Even your GMC S15 Jimmy’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 1985 GMC S15 Jimmy.

We Care for GMC S15 Jimmy Engines

The GMC S15 Jimmy 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 1985 GMC S15 Jimmy engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know GMC S15 Jimmy engines. Schedule a courtesy inspection at the first sign of engine trouble. 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 1985 GMC S15 Jimmy

An illuminated check engine light on your GMC S15 Jimmy is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your vehicle's ignition, Potential causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your S15 Jimmy in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your GMC S15 Jimmy engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

GMC S15 Jimmy Engine Repair

If your 1985 S15 Jimmy engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, 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 S15 Jimmy engine repairs and you can drive easy knowing that we use GMC-approved parts and fluids — serpentine belt, oil gasket, fuses, or other parts.

Questions About 1985 GMC S15 Jimmy Engines

Why does the check engine light come on when I start my S15 Jimmy? 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 turn off in a bit, but come see us if it doesn't.
Why does my GMC engine sound different? Strange engine sounds can be a sign something’s off in your GMC S15 Jimmy. Tapping or knocking could mean you need an oil change. 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 a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC S15 Jimmy 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my GMC S15 Jimmy radiator? While it’s not recommended, you can use water in your S15 Jimmy 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 could cause my S15 Jimmy engine to suddenly stop? If your S15 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 can repair my GMC S15 Jimmy engine? Your local Firestone Complete Auto Care has you covered with expert S15 Jimmy engine repair. Schedule an appointment today and see us at one of our thousands of locations.