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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Safari firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are GMC Safari engine noises bad?

Unusual noises can signal a problem with your GMC Safari engine. 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my GMC Safari engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 Safari 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.

What could cause my Safari engine to suddenly stop?

There are different reasons your Safari 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.

Where can I go for GMC Safari repair?

For GMC Safari 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.

1991 GMC Safari Engine Repair

Learn about

1991 GMC Safari Trim Options

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

V6/4.3L

Repairs for Your 1991 GMC Safari

Nothing lasts forever. Even your GMC Safari’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1991 GMC Safari repairs.

We Know GMC Safari Engines

GMC Safari engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 1991 GMC Safari engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service GMC Safari engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1991 GMC Safari

If your Safari 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 fuel injection, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your Safari to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine pinging noises, oil leaks, or engine misfiring.

GMC Safari Engine Repair

When your GMC Safari 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 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. Turn to Firestone Complete Auto Care for your 1991 Safari engine repairs and you can feel good knowing that we only use GMC-compliant replacement parts such as the cambelt, valve guide seal, ignition coil, or another part.

Engine Q&A 1991 GMC Safari

Why does the check engine light come on when I start my Safari? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Safari firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are GMC Safari engine noises bad? Unusual noises can signal a problem with your GMC Safari engine. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my GMC Safari engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 Safari 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.
What could cause my Safari engine to suddenly stop? There are different reasons your Safari 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.
Where can I go for GMC Safari repair? For GMC Safari 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.