Why does my Impulse’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 light should turn off in a bit, but come see us if it doesn't.

Why is my Isuzu Impulse making engine noise?

Unusual noises can signal a problem with your Isuzu Impulse 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 can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Isuzu engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Isuzu Impulse engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Isuzu Impulse radiator?

While it’s not recommended, you can use water in your Impulse 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 can cause a Impulse engine to suddenly stop?

Your Impulse car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my Isuzu Impulse engine?

Your local Firestone Complete Auto Care fixes Isuzu Impulse engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 1991 Isuzu Impulse Engines

Learn about

1991 Isuzu Impulse Trim Options

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

L4/1.6L

Isuzu Impulse Repairs and Services

Nothing lasts forever. Even your Isuzu Impulse’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 1991 Isuzu Impulse services.

We Care for Isuzu Impulse Engines

The Isuzu Impulse is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1991 Isuzu service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Isuzu Impulse engine will be in good hands. 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 Isuzu Impulse Check Engine Light Is On

As soon as your Impulse check engine light turns on, it’s time to get an expert’s opinion. 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, bad spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your Impulse in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or misfiring.

Isuzu Impulse Engine Repair

If your 1991 Impulse engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 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 Impulse engine repairs and you can feel good knowing that we only use Isuzu-compliant replacement parts such as the timing chain or belt, engine oil seal, fuses, or another part.

Questions About 1991 Isuzu Impulse Engines

Why does my Impulse’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 light should turn off in a bit, but come see us if it doesn't.
Why is my Isuzu Impulse making engine noise? Unusual noises can signal a problem with your Isuzu Impulse 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 can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Isuzu engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Isuzu Impulse engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Isuzu Impulse radiator? While it’s not recommended, you can use water in your Impulse 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 can cause a Impulse engine to suddenly stop? Your Impulse car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my Isuzu Impulse engine? Your local Firestone Complete Auto Care fixes Isuzu Impulse engines. Book an appointment today! We have thousands of locations across the country.