Frequently Asked Questions

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

• It signals that the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to an emission or engine fault. Our certified technicians at Herb Chambers Chevrolet in Massachusetts diagnose the exact trouble quickly to prevent further damage.
• We often cost less than independent shops while delivering factory-trained expertise, OEM parts, and clear estimates — which means immediate and long-term savings through fewer repeat repairs and better resale value.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage; our team makes the warranty process straightforward and transparent.
• If you want prompt attention, you can schedule service online and ask about available service specials and financing options.

How long does a check engine light service take?

• Diagnostics typically take 30–90 minutes depending on code complexity and test requirements. Some repairs can be completed the same day; others require parts and a short follow-up.
• Herb Chambers Chevrolet focuses on quick turnarounds using OEM parts and specialized tools so your 2018 Chevrolet Express returns to safe, reliable operation sooner.
• Choosing dealership service often reduces long-term costs by preventing misdiagnoses and repeat visits; we also honor warranties and keep detailed service records for future value.
• To get a clear timeline, schedule appointment now and ask about our service financing if you want to pay over time.

How much does a check engine light diagnostic cost for a 2018 Chevrolet Express?

• Diagnostic pricing varies by issue, but Herb Chambers Chevrolet provides competitive, transparent rates and frequent service specials that can lower your out‑of‑pocket cost.
• We often cost less than independent shops while delivering factory-trained technicians and OEM parts. That upfront value saves you money over time through accurate repairs and stronger warranty protection.
• If a repair is required, repairs covered under warranty must be completed at a certified dealership to maintain coverage — we’ll explain any warranty details before work begins.
• Book a time that fits your schedule by visiting schedule service online and ask about financing to get repairs now and pay later.

What is the most common reason for check engine light on a 2018 Chevrolet Express?

• The most frequent causes include faulty oxygen sensors, loose or damaged gas caps, catalytic converter issues, or ignition misfires. Addressing these quickly preserves fuel economy and prevents more costly repairs.
• Herb Chambers Chevrolet’s certified technicians use OEM diagnostic procedures to pinpoint the root cause — avoiding unnecessary parts replacement and saving you money in the long run.
• We provide clear estimates, use genuine parts, and document work to maintain vehicle value and warranty continuity; remember warranty repairs must be performed at a certified dealership.
• To confirm the cause and receive a reliable repair plan, schedule service or check current service specials.

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

• Start with obvious checks: ensure the gas cap is tightened and the fuel filler area is intact. A loose cap is a common, low-cost fix that can clear the light.
• If the light persists, bring your 2018 Chevrolet Express to Herb Chambers Chevrolet where factory-grade scanners and experienced technicians will perform a proper diagnostic.
• We emphasize transparency — you’ll receive a clear explanation of needed repairs, cost-saving options, and how any work affects warranties. Repairs covered under warranty must be completed at a certified dealership to remain valid.
• To get a professional diagnosis quickly, schedule service online and review available service specials or ask about service financing to pay over time.