Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 Chevrolet Impala?

• It indicates the vehicle’s onboard diagnostics detected a fault. Codes range from minor sensor issues to emissions or engine performance faults.
• At Stevinson Chevrolet in CO, our factory-trained technicians read codes with OEM-grade scanners to identify the root cause quickly and accurately.
• Choosing our dealership often costs less than independent shops over time: accurate diagnostics avoid unnecessary repairs, preserve fuel economy, and extend engine life.
• We honor warranties and recommend any warranty-covered repairs be completed at a certified dealership to protect coverage and vehicle value.
• To get a precise evaluation, schedule service and ask about available service specials and service financing.

How long does a check engine light service take?

• Most diagnostics are completed the same day—often within one to two hours—depending on severity and parts availability.
• If additional repairs are needed, we provide a clear estimate and explain immediate versus preventive repairs so you can make an informed choice.
• Stevinson Chevrolet prioritizes quick turnaround using OEM parts and experienced technicians to reduce time in the shop and maximize long-term savings.
• We offer convenient amenities and transparent pricing; ask about service financing to get repairs completed now and pay over time.
• To confirm appointment availability, please schedule appointment online.

How much does a check engine light diagnostic cost for a 2016 Chevrolet Impala?

• Diagnostic fees vary, but Stevinson Chevrolet provides competitive, transparent pricing and often saves you money compared with prolonged or repeated repairs elsewhere.
• Our diagnostic includes a full code read, live data review, and technician consultation so you understand immediate needs and long-term benefits.
• We emphasize value: correcting issues early prevents expensive repairs, protects fuel economy, and maintains vehicle resale value.
• Check current offers under our service specials, and remember we provide service financing options for qualified customers.

What is the most common reason for check engine light on a 2016 Chevrolet Impala?

• Common causes include a loose or failing gas cap, oxygen sensor failure, catalytic converter issues, or ignition and fuel system faults.
• Many issues start small and worsen; addressing them at Stevinson Chevrolet reduces repair costs and downtime.
• Our diagnostic process isolates root causes quickly and recommends OEM-quality repairs and parts to restore performance and reliability.
• For service and peace of mind, schedule service with our certified technicians in Colorado.

What is the first thing to check when the check engine light comes on?

• First, check the gas cap—an improperly sealed cap is a frequent, simple cause and can clear the code after tightening or replacement.
• If the light persists, visiting Stevinson Chevrolet ensures a complete, accurate scan using OEM tools to prevent misdiagnosis.
• We provide clear estimates and explain immediate and preventive repairs so you save now and avoid larger expenses later.
• Remember that warranty-covered repairs should be performed at a certified dealership to maintain coverage; we offer service financing to help spread costs if needed.