Frequently Asked Questions

What does it mean when the check engine light comes on in a 2018 Volkswagen Passat?

• It signals that your vehicle’s onboard diagnostics detected an issue—anything from a loose gas cap to emissions or ignition faults.
• At Larry H. Miller Volkswagen Lakewood, our certified technicians use OEM-grade scanners to identify exact codes, explain repair options, and prioritize safety and reliability.
• Choosing our dealership often costs less than independent shops once you factor in accurate diagnostics, genuine parts, and long-term savings from avoiding repeat repairs.
• Repairs covered under warranty must be performed at a certified dealership to keep protections intact; we honor factory warranties and document everything for you.
• We offer service financing so you can get repairs done now and pay over time—contact us or schedule service online.

How long does a check engine light service take?

• Most diagnostics are completed within 30–90 minutes depending on complexity and whether road testing or component checks are required.
• If repairs are needed, our service advisors provide clear estimates and timelines so you can decide—many common fixes are completed the same day.
• We prioritize efficient service without cutting corners: factory tools, OEM parts, and certified technicians help minimize callbacks and long-term cost.
• To get fast, dependable service, schedule appointment and ask about our current service specials and financing options.

How much does a check engine light diagnostic cost for a 2018 Volkswagen Passat?

• Diagnostic fees vary by issue; our transparent pricing and written estimates ensure you know costs before work begins.
• Because we use factory procedures and genuine parts, many customers find better long-term value at our dealership compared with independent shops—fewer repeat visits and covered warranty work.
• Ask our service team about discounts and current service specials, and remember we offer service financing to spread payments over time.
• All warranty-covered repairs must be completed at a certified dealership to preserve coverage and documentation—our team will guide you through that process.

What is the most common reason for check engine light on a 2018 Volkswagen Passat?

• Common triggers include a loose or faulty gas cap, oxygen sensor failures, catalytic converter issues, or ignition misfires.
• Addressing these quickly prevents catalytic damage, reduced fuel economy, and higher repair bills later—our certified technicians diagnose root causes to avoid repeat repairs.
• We combine fast diagnostics, OEM parts, and clear estimates to deliver immediate and long-term savings for you.
• You can schedule service online to have one of our technicians inspect your vehicle and review financing options if needed.

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

• Start with the basics: ensure the gas cap is tightened properly—this simple fix often clears the code.
• If tightening the cap doesn’t help, bring your 2018 Volkswagen Passat to Larry H. Miller Volkswagen Lakewood for a prompt scan so we can identify any stored fault codes.
• Our team emphasizes transparency: we explain findings, recommend OEM repairs when appropriate, and point out warranty or long-term savings advantages.
• Use our online tools to schedule appointment and review current service specials before you visit.