Why does my Sunfire’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 just your Sunfire testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Pontiac engine sound different?

Strange under-the-hood noises can point to problems within your Pontiac Sunfire engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 a Pontiac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Pontiac Sunfire 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Pontiac Sunfire 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 can cause the engine in my Sunfire to suddenly stop?

There are different reasons your Sunfire 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.

Who can repair my Pontiac Sunfire engine?

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

2000 Pontiac Sunfire Engine Repair

Learn about

2000 Pontiac Sunfire Trim Options

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

L4/2.2L

L4/2.4L

Pontiac Sunfire Repairs and Services

Nothing lasts forever. Even your Pontiac Sunfire's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2000 Pontiac Sunfire repairs.

We Know Pontiac Sunfire Engines

Pontiac Sunfire drivers trust that their Sunfire will take them near and far. You probably thought about that when you got it. 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 2000 Pontiac Sunfire engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Pontiac Sunfire 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 2000 Pontiac Sunfire

As soon as your Sunfire 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 vehicle's ignition, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Sunfire in for an on-board diagnostic check and our expert techs will get the root of the problem. rattling sounds, oil leaks, or engine misfiring.

Engine Repairs for Your 2000 Sunfire

If your 2000 Sunfire 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 isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Pontiac Sunfire engine repairs and you can feel confident knowing that we use Pontiac-approved parts and components like the timing belt, valve guide seal, fuses, or a different component.

Questions About 2000 Pontiac Sunfire Engines

Why does my Sunfire’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 just your Sunfire testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Pontiac engine sound different? Strange under-the-hood noises can point to problems within your Pontiac Sunfire engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. 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 a Pontiac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Pontiac Sunfire 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Pontiac Sunfire 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 can cause the engine in my Sunfire to suddenly stop? There are different reasons your Sunfire 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.
Who can repair my Pontiac Sunfire engine? Your local Firestone Complete Auto Care has you covered with expert Sunfire engine repair. Schedule an appointment today and see us at one of our thousands of locations.