Frequently Asked Questions

What is the most common reason for check engine light on a 2022 Volkswagen Tiguan?

• Loose or faulty gas cap — the simplest and most frequent cause; tightening the cap often clears the warning.
• Oxygen sensor or mass airflow issues — affect emissions and fuel economy if left untreated.
• Spark plugs, ignition coils, or misfires — can reduce performance and damage catalytic converters over time.
• Catalytic converter wear — costly if neglected; early diagnosis saves money long term at our dealership.
• Factory-trained technicians at Nalley Volkswagen of Alpharetta diagnose accurately and often cost less than independent shops by avoiding repeated, unnecessary repairs.

What does it mean when the check engine light comes on in a 2022 Volkswagen Tiguan?

• It indicates the on-board diagnostics (OBD-II) system detected an emissions or powertrain issue and stored a fault code.
• Codes can point to sensors, emissions components, ignition, fuel delivery, or transmission irregularities.
• An illuminated light doesn’t always mean immediate failure, but it signals a condition that should be evaluated promptly.
• Certified dealership diagnosis ensures correct code interpretation and warranty-safe repairs when applicable.
• Scheduling at Nalley Volkswagen of Alpharetta provides immediate and long-term savings through accurate fixes and factory parts.

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

• Check that the fuel cap is fully tightened — it’s the easiest fix and a common trigger for the light.
• Look for other dash warnings or loss of power; if present, pull over safely and stop driving if advised.
• Review recent fueling or maintenance activities that could relate to the alert.
• If the light stays on, schedule a dealership diagnostic; repairs under warranty must be done at a certified dealer to remain covered.
• Use Nalley Volkswagen of Alpharetta for dependable diagnostics and transparent pricing that often costs less than independent shops.

How much does a check engine light diagnostic cost for a 2022 Volkswagen Tiguan?

• Diagnostics vary by issue but our dealership offers clear upfront pricing and service specials — check Service Specials.
• Initial scan typically takes less than an hour; we provide a detailed report and recommended repairs with cost estimates.
• Choosing Nalley Volkswagen of Alpharetta often delivers immediate savings through accurate diagnosis and avoids repeated work common with misdiagnoses.
• Long-term savings come from genuine parts, factory procedures, and warranty protection — remember warranty repairs must be completed at a certified dealer.
• Schedule online at Service Scheduler for fast diagnostics and transparent pricing.

How long does a check engine light service take?

• Simple diagnostics and a basic scan usually take 30–60 minutes; more complex issues require additional time for testing and parts ordering.
• Repairs such as replacing a gas cap or sensor can be completed the same day, while catalytic or engine repairs may take longer.
• Our shop provides accurate time estimates after the initial scan and works to minimize downtime with efficient scheduling.
• Choosing Nalley Volkswagen of Alpharetta ensures factory-trained techs, genuine parts, and warranty-compliant service that saves time and money overall.
• Book service online to reduce wait time: Schedule Appointment.