Frequently Asked Questions

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

• It signals your vehicle's onboard diagnostics detected an issue with emissions, fuel, ignition, or sensors. Our certified technicians at Stevinson Chevrolet in CO diagnose the root cause quickly and accurately to protect engine performance and longevity.
• We use OEM-grade tools and parts so repairs restore factory standards. Choosing our dealership often costs less than independent shops because we avoid repeat repairs, reduce downtime, and deliver long-term savings backed by transparent estimates and warranties.
• If a repair is covered by warranty, it must be completed at a certified dealership like Stevinson Chevrolet to preserve coverage — our team handles warranty work efficiently and documents everything for you.
• Ready to act? You can schedule service online or review current service specials before your visit.

How long does a check engine light service take?

• Diagnostics are typically completed in less than an hour when you bring your 2026 Chevrolet Silverado 2500HD to Stevinson Chevrolet. Actual repair time depends on the issue found; many common fixes are same-day services.
• Our streamlined process — factory-trained technicians, integrated parts inventory, and efficient bays — minimizes waiting and gets you back on the road faster while delivering a level of service independent shops often cannot match.
• We also offer service financing so you can get necessary repairs now and pay over time, preserving vehicle health and preventing costlier problems down the road.
• To book, schedule service and check our latest service specials.

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

• Diagnostic prices vary, but Stevinson Chevrolet frequently offers competitive rates that can be lower than independent shops when considering immediate and long-term savings — accurate diagnosis avoids unnecessary repairs and repeat visits.
• We provide transparent upfront pricing and written estimates before any repair. When covered by warranty, repairs must be performed at a certified dealership to remain valid; our team manages warranty claims on your behalf.
• Ask about available service specials and our service financing options to make repairs manageable without delaying critical work.

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

• Common causes include loose gas caps, faulty oxygen sensors, misfires, or catalytic converter issues. Ignoring these can reduce fuel economy, increase emissions, and lead to costly repairs.
• At Stevinson Chevrolet, our technicians diagnose the exact code and explain implications and costs clearly so you can make an informed decision that prioritizes reliability and value.
• We recommend timely service to protect your investment; use our schedule service tool and review current service specials.

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

• Start with basic checks: confirm the gas cap is tightened. If the light remains, bring your 2026 Chevrolet Silverado 2500HD to Stevinson Chevrolet for a professional scan — our factory-grade diagnostics reveal the exact fault code.
• Early diagnosis at a certified dealership saves money long-term by preventing escalation and preserving warranty coverage where applicable. We also offer service financing to help you address issues promptly.
• To get started, schedule service online and see our current service specials for added value.