Why does my F-150’s check engine light come on when I start it?

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

Why does my Ford engine sound different?

Unusual noises can signal a problem with your Ford F-150 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 a sign of brake problems rather than engine issues.

What could damage a Ford engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Ford F-150 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Ford F-150 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 F-150 engine suddenly stop?

If your F-150 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Ford F-150 repair?

Your local Firestone Complete Auto Care has you covered with expert F-150 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 1991 Ford F-150 Engines

Learn about

1991 Ford F-150 Trim Options

Select your Ford F-150 trim level to learn more about Ford-recommended engine repair. Even Ford F-150 parts will get older and change.

L6/4.9L

V6/3.8L

V8/5.0L

V8/5.8L

Ford F-150 Repairs and Services

Stuff wears out. Even your Ford F-150’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 1991 Ford F-150.

We Know Ford F-150 Engines

The Ford F-150 is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. When they do, you might find yourself searching for 1991 Ford F-150 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 Ford F-150 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1991 Ford F-150 Check Engine Light Is On

If your F-150 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Potential causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your F-150 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs it's time for Ford F-150 engine service might include oil leaks, or a sinking feeling that something’s wrong.

Ford F-150 Engine Repair

When your Ford F-150 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 F-150 engine repairs and you can feel confident knowing that we use Ford-approved parts and components like the cambelt, valve guide seal, sensors, or a different component.

Engine Q&A 1991 Ford F-150

Why does my F-150’s check engine light come on when I start it? 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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Ford engine sound different? Unusual noises can signal a problem with your Ford F-150 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 a sign of brake problems rather than engine issues.
What could damage a Ford engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Ford F-150 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Ford F-150 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 F-150 engine suddenly stop? If your F-150 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Ford F-150 repair? Your local Firestone Complete Auto Care has you covered with expert F-150 engine repair. Schedule an appointment today and see us at one of our thousands of locations.