Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Chevrolet Impala?

• The check engine light can indicate anything from a loose gas cap to issues with sensors, emissions components, ignition, or fuel delivery. Our technicians at Larry H. Miller Casa Chevrolet in Albuquerque diagnose the root cause quickly with factory-grade tools to avoid unnecessary repairs.
• We often cost less than independent shops while delivering OEM parts, certified technicians, and transparent pricing that highlights immediate and long-term savings through correct repairs and improved fuel economy.
• If a repair is covered by warranty, it must be completed at a certified dealership to preserve protection and ensure proper parts and procedures are used.
• To get a fast, accurate diagnosis and the best value for your 2020 Chevrolet Impala, schedule service online or check current service specials before you arrive.

How long does a check engine light service take?

• Most diagnostics are completed the same day—typically within 60 to 90 minutes—depending on the complexity of codes found for a 2020 Chevrolet Impala.
• At Larry H. Miller Casa Chevrolet we prioritize quick turnarounds without cutting corners: factory diagnostics, calibrated equipment, and certified techs speed accurate repairs while preserving vehicle longevity.
• We offer comfortable waiting areas, loaner options, and service financing so you can get service now and pay later if needed.
• To reserve a convenient time, schedule appointment or view our latest service specials.

How much does a check engine light diagnostic cost for a 2020 Chevrolet Impala?

• Diagnostics at our dealership are competitively priced and often cost less than independent shops when you factor in accurate diagnosis, OEM parts, and warranty protection. This delivers immediate savings and prevents costly follow-up repairs.
• Exact pricing varies by condition, but our transparent estimates help you decide the best option for your 2020 Chevrolet Impala before any work begins.
• Remember that warranty-covered repairs must be completed at a certified dealership to keep coverage intact.
• To get a price estimate and appointment, schedule service or explore our current service specials.

What is the most common reason for check engine light on a 2020 Chevrolet Impala?

• Common causes include a loose or faulty gas cap, an oxygen sensor failure, catalytic converter issues, or ignition/fuel problems. Each requires different repairs—addressing them promptly saves fuel and prevents engine damage.
• Larry H. Miller Casa Chevrolet’s certified technicians use OEM diagnostics to identify the exact cause and recommend repairs that balance cost and long-term value.
• We emphasize transparent estimates and the long-term savings of dealer-performed repairs, plus service financing options when you need them.
• Book a diagnostic by clicking schedule service or check for discounts under our service specials.

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

• Start with basics like the gas cap—an improperly sealed cap commonly triggers codes. If that doesn’t solve it, a professional scan is the next step to avoid misdiagnosis.
• At Larry H. Miller Casa Chevrolet in Albuquerque, we perform a thorough diagnostic scan and explain findings clearly so you understand both short- and long-term benefits of recommended repairs.
• Warranty repairs must be performed by a certified dealership to remain valid. We also offer service financing to get you back on the road now and pay over time.
• To get started, schedule service or review our service specials.