Frequently Asked Questions

What does it mean when the check engine light comes on in a 2026 Chevrolet Silverado 2500HD?

• It signals the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emissions sensor, misfire, or fuel system problem. Ignoring it can worsen repairs and reduce fuel economy.
• At Herb Chambers Chevrolet in MA, our certified technicians will run a full scan, explain findings in plain language, and recommend OEM repairs that preserve long-term vehicle value and reliability.
• Choosing us often costs less than independent shops when you factor in accurate diagnostics, genuine parts, factory training, and warranty protection — immediate savings and fewer repeat visits.
• We offer service financing to help you get repairs done now and pay later, and warranty-covered work must be completed at a certified dealership to remain valid.
• To get a clear diagnosis and repair plan, schedule service online or check our current service specials for available discounts.

How long does a check engine light service take?

• Most diagnostics take 30–90 minutes. Simple fixes (loose gas cap, resetting a code) can be resolved quickly; complex repairs involving parts replacement or multi-system troubleshooting take longer.
• At Herb Chambers Chevrolet we prioritize fast, accurate diagnostics using OEM tools so you spend less time waiting and avoid unnecessary parts replacement.
• Our streamlined service lanes and trained staff often reduce time in shop compared with many independent alternatives, translating to immediate and long-term savings.
• If repairs are needed, we’ll provide a transparent estimate and timeline; remember that warranty repairs must be performed at a certified dealership to preserve coverage.
• To reserve a convenient time, schedule appointment now — and review our service specials before you come in.

How much does a check engine light diagnostic cost for a 2026 Chevrolet Silverado 2500HD?

• Diagnostic fees vary, but Herb Chambers Chevrolet offers competitive, transparent pricing and often costs less than independent shops when you consider accuracy, OEM tooling, and warranty protection.
• We emphasize long-term value: an accurate dealer diagnosis prevents unnecessary parts replacement and reduces repeat labor costs, saving you money over time.
• Service financing is available so you can address issues immediately and spread payments over time, preserving safety and preventing escalating repair bills.
• All warranty-covered repairs must be performed at a certified dealership to remain valid — our technicians are factory-trained to follow exact repair procedures and use genuine parts.
• For a specific quote and to see current offers, schedule service or view our service specials online.

What is the most common reason for check engine light on a 2026 Chevrolet Silverado 2500HD?

• Common causes include a loose or damaged gas cap, faulty oxygen sensor, catalytic converter issues, ignition misfires, and fuel system faults — many of these affect emissions and fuel economy.
• Herb Chambers Chevrolet diagnostic scans isolate the true cause quickly, avoiding guesswork and unnecessary parts replacement that increase costs.
• Repairing issues early prevents collateral damage — for example, an unresolved misfire can harm the catalytic converter, which is much more expensive to replace.
• We provide transparent cost estimates, OEM parts, and service financing so you can choose repairs that fit your budget while protecting long-term value.
• To address a persistent or new light promptly, schedule service and review our service specials.

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

• Start with simple checks: ensure the gas cap is tight and undamaged, confirm fluids are at correct levels, and note any drivability issues like rough idling or loss of power.
• Even with simple fixes, we recommend a dealership scan to clear codes and confirm no underlying faults — dealer-grade diagnostics prevent recurring problems and save money over time.
• Herb Chambers Chevrolet’s certified technicians use OEM diagnostic equipment and will explain recommended repairs, how they protect your vehicle, and any warranty implications.
• If you need the work done, take advantage of service financing and our transparent pricing. For peace of mind, always have warranty-covered repairs done at a certified dealership to keep coverage intact.
• Schedule service today or check our service specials before you arrive.