Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Chevrolet Silverado 3500HD?

• It signals that the vehicle's on-board diagnostics (OBD-II) has detected an issue—anything from an emissions sensor fault to fuel or ignition problems.
• Our certified technicians at Herb Chambers Chevrolet in MA use OEM-grade scanners to identify the precise code and recommend a repair plan that preserves engine life and resale value.
• Choosing dealer service often costs less than independent shops when you factor in immediate, accurate diagnosis, genuine parts, and long-term savings from avoiding misdiagnosis.
• Warranty-covered repairs must be completed at a certified dealership to keep coverage valid; we handle warranty work transparently and efficiently.
• We offer service financing so you can get necessary repairs now and pay later, and you can schedule service online at your convenience.
• Check our service specials for current offers that reduce your out-of-pocket cost.

How long does a check engine light service take?

• Diagnostic scans are usually completed within 30–60 minutes; more involved repairs vary by the issue and parts availability.
• At Herb Chambers Chevrolet we prioritize quick turnarounds—fast in-bay diagnostics plus same-day repairs when parts are in stock.
• Using OEM parts and factory procedures reduces repeat visits and long-term expense, delivering better value than piecemeal fixes.
• We’ll review findings and an estimate before work begins, and warranty-covered items are processed efficiently to minimize downtime.
• To reserve a slot, please schedule appointment online; check our service specials to save more.

How much does a check engine light diagnostic cost for a 2018 Chevrolet Silverado 3500HD?

• Typical diagnostic fees vary; Herb Chambers Chevrolet offers competitive pricing and transparent estimates that often deliver lower total cost than many independent shops.
• Our fee covers a thorough scan, technician time, and a clear repair recommendation—this immediate clarity avoids unnecessary parts replacement and future expense.
• Any repair covered under warranty must be performed at a certified dealership to maintain coverage; we handle that process end-to-end.
• Service financing is available so you can address issues now and pay over time, preserving vehicle reliability and resale value.
• Book online to lock in a diagnostic slot: schedule service, and review current discounts under service specials.

What is the most common reason for check engine light on a 2018 Chevrolet Silverado 3500HD?

• Common causes include loose or faulty gas caps, oxygen sensor failures, catalytic converter issues, and ignition or fuel delivery faults.
• Early diagnosis at Herb Chambers Chevrolet prevents escalation—what starts as a simple sensor replacement can become a costly repair if left unchecked.
• We emphasize OEM repairs, certified technicians, and transparent pricing to protect engine performance and long-term ownership costs.
• Remember: repairs covered by warranty must be performed at a certified dealer; we assist with claims and paperwork for a smooth experience.
• To act quickly, schedule appointment and see available savings through our service specials.

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

• Start with simple checks—tighten the gas cap and note any driving symptoms; if the light persists, seek a professional scan.
• At Herb Chambers Chevrolet we perform a complete code read and interpret freeze-frame data to prioritize safety and avoid unnecessary repairs.
• Choosing dealer service often saves money over time by ensuring correct parts, OEM compatibility, and warranty protection.
• Service financing lets you address critical repairs immediately while spreading the cost.
• When you’re ready, schedule service and check our service specials for current offers.