Frequently Asked Questions

What is the most common reason for check engine light on a 2024 Bentley Bentayga?

• Most frequently: oxygen sensor or catalytic-efficiency related codes, followed by fuel-trim and misfire codes.
• EVAP leaks (loose or faulty gas cap, purge valve) are common and often simple to repair.
• Left unchecked, sensor or misfire issues can damage the catalytic converter—raising parts and labor costs substantially.
• Bentley Boston’s factory-trained technicians diagnose with OEM tools to avoid unnecessary work and preserve warranty coverage.
• Many customers realize immediate and long-term savings with our certified service compared with independent shops while receiving manufacturer-level care.

How long does a check engine light service take?

• Initial diagnostic scan typically takes 30–90 minutes for a thorough read of stored and pending codes.
• Simple repairs, like a gas cap or oxygen sensor, are often completed the same day.
• Complex repairs—internal engine work, catalytic converter replacement, or parts ordering—can take one to several days.
• We provide clear time estimates up front and use OEM parts to ensure longevity and warranty compliance.
• Use our Service Scheduler to book efficient, transparent service and reduce downtime: Schedule Service.

What does it mean when the check engine light comes on in a 2024 Bentley Bentayga?

• It signals that an onboard sensor or system has detected an emissions, fueling, or performance issue.
• Severity ranges from minor (EVAP leak) to urgent (engine misfire risking catalytic converter damage).
• An OBD-II diagnostic reveals the precise code; our technicians interpret codes in the context of Bentley systems.
• If covered by warranty, repairs must be performed at a certified dealership to maintain coverage and ensure correct parts and procedures.
• Bentley Boston often delivers lower total ownership cost than independent shops because we fix root causes quickly and protect long-term value.

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

• Check for obvious signs: dashboard messages, unusual noises, loss of power, or fuel smell.
• Ensure the gas cap is properly seated—an easy EVAP-related fix that can clear codes.
• If the light is flashing, stop driving and contact the dealer immediately to prevent engine and catalytic converter damage.
• Bring the vehicle to Bentley Boston for an OEM diagnostic so warranty status and proper repairs are confirmed.
• Explore service specials or schedule online to minimize immediate and long-term costs: Service Specials.

How much does a check engine light diagnostic cost for a 2024 Bentley Bentayga?

• Diagnostic fees vary by complexity but typically range from modest scan fees to higher diagnostic labor for intermittent or hard-to-reproduce faults.
• Exact repair costs depend on the root cause—sensor replacement, exhaust components, or engine repairs carry different price points.
• Bentley Boston frequently provides better overall value than independent shops by combining accurate diagnostics, OEM parts, and factory-trained technicians.
• Warranty-covered repairs must be done at a certified dealership; this protects you from future costs and preserves resale value.
• Contact us or visit our used inventory and trade resources when considering longer-term ownership options: Used Inventory · Trade In.