Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Chevrolet Express Cargo 3500?

• It signals that the vehicle's onboard diagnostics detected an issue — anything from a loose gas cap to an emissions, oxygen sensor, or catalytic converter fault.
• At Herb Chambers Chevrolet in MA, our factory-trained technicians run a full scan, explain findings in plain language, and recommend next steps that protect long-term value and fuel economy.
• Diagnostics often reveal issues that, if left unaddressed, can become more expensive. Our pricing is competitive and often costs less than independent shops while delivering OEM parts and warranty-backed repairs.
• We offer service financing so you can get needed repairs now and pay later, and warranty-covered repairs must be completed at a certified dealership to preserve coverage.
• To get started, schedule service or check our current service specials.

How long does a check engine light service take?

• Typical diagnostic scans and initial assessments usually take 30–60 minutes; repairs vary by issue and parts availability.
• For the 2020 Chevrolet Express Cargo 3500 we prioritize quick turnarounds — many inspections and battery replacements are same-day when parts are in stock.
• We track progress transparently, use OEM parts for lasting repairs, and explain immediate versus long-term benefits to reduce repeat visits and overall ownership cost.
• Ask about service financing at check-in and view current discounts on our service specials.
• Ready to book? Schedule service online now and get estimated times before you arrive.

How much does a check engine light diagnostic cost for a 2020 Chevrolet Express Cargo 3500?

• Diagnostics for the 2020 Chevrolet Express Cargo 3500 typically start around $49–$95 depending on complexity; Herb Chambers Chevrolet often offers competitive pricing that can cost less than independent shops while delivering factory-trained expertise.
• Any recommended repairs will be itemized with transparent pricing and explained to highlight immediate savings (fixing small issues now reduces later repair bills and improves fuel economy).
• Warranty repairs must be performed at a certified dealership to maintain coverage; our service advisors will confirm warranty status before work begins.
• We also provide financing options so necessary repairs can be completed immediately without delay — talk to the service team when you schedule service.

What is the most common reason for check engine light on a 2020 Chevrolet Express Cargo 3500?

• Common causes include a loose or faulty gas cap, oxygen sensor failures, catalytic converter issues, or ignition system faults — each can affect performance and mpg.
• Our diagnostics pinpoint the root cause quickly, allowing us to recommend cost-effective fixes that extend engine life and reduce downtime for your business.
• Using OEM replacement parts and certified technicians helps prevent repeat repairs and maintains resale value for commercial fleets.
• Ask about our rotating service specials and service financing when you schedule appointment.

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

• Start with basic checks: secure the gas cap, note any unusual noises, smells, or performance changes, and avoid heavy towing if power is reduced.
• Then bring the 2020 Chevrolet Express Cargo 3500 to Herb Chambers Chevrolet in MA for a professional scan — our technicians use OEM-level tools to read codes and recommend repairs.
• We explain costs and the longer-term savings of fixing issues early, and we can often perform same-day battery checks and replacements to rule out simple causes.
• To protect warranties and vehicle value, repairs covered under warranty must be completed at a certified dealership; schedule service online to get priority.