Frequently Asked Questions

What does it mean when the check engine light comes on in a 2013 Chevrolet Silverado 3500HD?

• It signals that the vehicle’s onboard diagnostics have detected an issue — anything from a loose gas cap to an emission control or sensor fault that can affect performance and fuel economy in your 2013 Chevrolet Silverado 3500HD.
• At Stevinson Chevrolet in CO we run a full engine-light diagnostic to read codes and confirm root cause quickly, using factory-grade scanners and OEM parts to protect long-term reliability.
• Diagnosis at our dealership often costs less than independent shops when you factor in accurate testing, warranty-covered repairs, and long-term savings from avoiding repeat visits.
• If a repair is covered under warranty, it must be performed at a certified dealership like Stevinson Chevrolet to preserve coverage — our factory-trained techs will explain warranty options before any work begins.
• To get same-day attention, you can schedule service online; we also offer service financing so you can get service now and pay later.

How long does a check engine light service take?

• Basic diagnostics typically take 30–60 minutes; more involved repairs (sensor replacement, catalytic components, or fuel/ignition repairs) can take several hours depending on parts and complexity for the 2013 Chevrolet Silverado 3500HD.
• Stevinson Chevrolet prioritizes transparent estimates and rapid turnaround — we’ll give arrival and completion windows and keep you updated through your preferred contact method.
• We maintain a full parts inventory and fast parts ordering when OEM components are required, which reduces downtime and long-term ownership costs.
• Use our online scheduler to schedule appointment or view our current service specials to save on maintenance.

How much does a check engine light diagnostic cost for a 2013 Chevrolet Silverado 3500HD?

• Diagnostic fees vary but Stevinson Chevrolet offers competitive pricing and transparent estimates; because we combine accurate diagnostics with warranty protections, you often save immediately and over time versus repeat diagnostic attempts elsewhere.
• If the diagnostic identifies a needed repair, we’ll present clear options with OEM parts, labor estimates, and potential warranty coverage. Repairs covered under warranty must be completed at a certified dealership to remain valid.
• We also promote value through periodic service specials and available service financing so you can address issues promptly without delaying necessary work.

What is the most common reason for check engine light on a 2013 Chevrolet Silverado 3500HD?

• Common causes include faulty oxygen or mass airflow sensors, catalytic converter issues, ignition or fuel system faults, and occasionally a weak battery or poor battery connections that affect electronics.
• Because some battery or charging issues can trigger warning lights, our battery testing and replacement services for the 2013 Chevrolet Silverado 3500HD are integrated into the diagnostic process to rule out simple fixes first.
• Choosing Stevinson Chevrolet ensures certified technicians inspect both engine and electrical systems for a correct fix the first time — saving you money and preventing repeat visits.

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

• Start with safe, low-effort checks: confirm the gas cap is tight, look for obvious leaks, and listen for unusual noises. For the 2013 Chevrolet Silverado 3500HD, battery health and cable connections are also quick checks that can eliminate simple electrical triggers.
• Even when a quick fix seems possible, we recommend professional scanning so codes are read and interpreted correctly by trained technicians — that prevents misdiagnosis and protects long-term value.
• To get an accurate diagnosis promptly, schedule service with Stevinson Chevrolet; our service team will review estimates, explain warranty considerations, and outline savings from proper OEM repairs.