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

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.

Are Chevrolet Avalanche engine noises bad?

Unusual noises can signal a problem with your Chevrolet Avalanche engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

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

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Reliable Repairs for 2007 Chevrolet Avalanche Engines

Learn about

2007 Chevrolet Avalanche Trim Options

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

V8/5.3L

V8/6.0L

2007 Chevrolet Avalanche Repair

Nothing stays the same forever. Even your Chevrolet Avalanche’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2007 Chevrolet Avalanche repairs.

We Know Chevrolet Avalanche Engines

Chevrolet Avalanche engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 2007 Chevrolet Avalanche 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 Chevrolet Avalanche engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2007 Chevrolet Avalanche Check Engine Light Is On

As soon as your Avalanche check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your Avalanche to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. engine pinging noises, burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2007 Avalanche

If your 2007 Avalanche engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a repair can wait, 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. By choosing Firestone Complete Auto Care for Avalanche engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the serpentine belt, motor oil seal, ignition coil, or another part.