Why does the check engine light in my S15 Jimmy turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your S15 Jimmy firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my GMC S15 Jimmy making engine noise?

Strange under-the-hood noises can point to problems within your GMC S15 Jimmy 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 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my GMC S15 Jimmy radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my S15 Jimmy engine 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 fixes GMC S15 Jimmy engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1991 GMC S15 Jimmy

Learn about

1991 GMC S15 Jimmy Trim Options

Select your GMC S15 Jimmy trim level to learn more about GMC-recommended engine repair. Even GMC S15 Jimmy parts will get older and change.

V6/4.3L

GMC S15 Jimmy Repairs and Services

Stuff wears out. Even your GMC S15 Jimmy’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 1991 GMC S15 Jimmy repairs.

We Care for GMC S15 Jimmy Engines

GMC S15 Jimmy drivers trust that their S15 Jimmy will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1991 GMC service center — quick! That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your GMC S15 Jimmy engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1991 GMC S15 Jimmy Check Engine Light Is On

If your S15 Jimmy check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your combustion, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your S15 Jimmy issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your GMC S15 Jimmy engine needs some TLC are oil leaks, or engine misfiring.

GMC S15 Jimmy Engine Repair

If your 1991 S15 Jimmy engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. 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 — timing chain or belt, engine oil seal, fuses, or another part.

Engine Q&A 1991 GMC S15 Jimmy

Why does the check engine light in my S15 Jimmy turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. It’s just your S15 Jimmy firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my GMC S15 Jimmy making engine noise? Strange under-the-hood noises can point to problems within your GMC S15 Jimmy 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 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my GMC S15 Jimmy radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my S15 Jimmy engine 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 fixes GMC S15 Jimmy engines. Book an appointment today! We have thousands of locations across the country.