Frequently Asked Questions

What is the most common reason for check engine light on a 2025 Bentley Bentayga?

• Most often the light is triggered by emissions or fuel system issues: oxygen sensors, catalytic efficiency codes (e.g., P0420), or fuel trim faults.
• Minor causes include a loose or faulty gas cap, which is quick to fix and inexpensive when diagnosed at our service center.
• Left unchecked, common faults can escalate to catalytic converter damage or engine misfires, costing thousands in repairs.
• At Bentley Boston we provide factory-grade diagnostics and factory-trained technicians—often costing less than independent shops while delivering greater long-term savings.
• Remember: repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure correct repairs.

What does it mean when the check engine light comes on in a 2025 Bentley Bentayga?

• The light signals the onboard diagnostics detected an emissions, sensor, ignition, or drivetrain fault; it’s a prompt to scan OBD-II trouble codes.
• Codes can indicate anything from an evaporative system leak to a misfire or failing oxygen sensor—each requires precise diagnosis at our service center.
• Immediate inspection prevents escalation: unresolved issues can damage the catalytic converter or engine, creating larger repair bills.
• Bentley Boston’s diagnostics use genuine Bentley tools and software, ensuring accurate identification and effective repairs.
• Warranty-covered repairs must be completed at a certified dealership to maintain coverage and long-term value.

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

• Start with simple checks: ensure the gas cap is tight and inspect for obvious fluid leaks or low oil levels before driving further.
• If the light persists, schedule a diagnostic scan—our technicians will read stored codes and perform targeted tests rather than guessing repairs.
• For flashing lights or loss of power, stop driving and contact the dealership immediately to prevent further engine or catalytic converter damage.
• Choosing Bentley Boston provides immediate and long-term savings: accurate diagnostics, genuine parts, and factory-trained techs often cost less than independent shops.
• Any repairs under warranty must be performed at a certified dealership to protect coverage and ensure proper service records.

How much does a check engine light diagnostic cost for a 2025 Bentley Bentayga?

• Diagnostic fees vary by complexity; initial OBD-II scanning is typically a modest flat fee, while in-depth diagnosis may incur additional labor depending on testing required.
• Bentley Boston frequently delivers better value than independent shops by pairing precise diagnostics with factory parts—this yields immediate savings and reduces repeat visits.
• We’ll provide transparent estimates before any repair work; addressing the root cause promptly avoids higher long-term costs like catalytic converter or engine damage.
• Remember that warranty-covered repairs must be done at a certified dealership to maintain coverage and ensure genuine parts are used.
• Schedule diagnostics online via our service scheduler for fast appointment options and to view current service specials.

How long does a check engine light service take?

• Basic code read and inspection often takes 30–60 minutes; more complex diagnostics or intermittent faults can require several hours or a day of testing.
• Simple fixes (tightening a cap, replacing a sensor) can be completed same day in many cases when parts are on hand.
• For advanced repairs involving turbo, catalytic, or internal engine work, timelines vary—our service team provides accurate time estimates up front.
• Bentley Boston prioritizes efficient repairs with factory-trained technicians and genuine parts, delivering immediate and long-term savings compared with piecemeal independent work.
• Use our service scheduler to book a diagnostic appointment and receive an estimated time to completion for your 2025 Bentley Bentayga.