Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Bentley Mulsanne?

• It signals your vehicle’s onboard diagnostics has detected an issue — anything from an emissions sensor fault to a misfire. Our Bentley Atlanta technicians diagnose the cause with OEM-grade scanners and factory procedures to protect engine health and resale value.
• Early diagnosis prevents secondary damage. Fixing a small issue now can avoid costly repairs later and often saves money over time compared with delaying service.
• Repairs covered under warranty must be performed at a certified dealership like Bentley Atlanta to preserve coverage and ensure genuine parts and proper documentation.
• We offer service financing so you can get necessary repairs now and pay later, and we frequently run service specials to reduce out-of-pocket costs.
• To get inspected by factory-trained technicians, schedule service online or call Bentley Atlanta for concierge assistance.

How long does a check engine light service take?

• Typical diagnostic scans and initial inspections take roughly 45–90 minutes depending on code complexity and road-test needs; full repairs, if required, vary by the issue.
• Bentley Atlanta prioritizes rapid turnaround with certified techs, OEM parts, and clear estimates so you can plan your day — and our service team communicates time expectations up front.
• We often cost less than many independent shops while delivering factory-level service, producing immediate and long-term savings through correct repairs and reliable parts.
• Service financing and targeted service specials help make timely repairs affordable — schedule appointment today to get a time estimate for your 2020 Bentley Mulsanne.

How much does a check engine light diagnostic cost for a 2020 Bentley Mulsanne?

• Diagnostics at Bentley Atlanta start at approximately $104 for a comprehensive scan and fault verification, reflecting premium tools and factory-trained technicians.
• Because we use OEM procedures and parts when needed, you save over time by avoiding repeated repairs; our transparent estimates show immediate and long-term savings compared to deferred fixes.
• Any warranty-covered repairs must be done at a certified dealership to maintain coverage; our team will confirm warranty status and required steps before work begins.
• We provide service financing and run regular service specials to reduce immediate costs — schedule service to get a written diagnostic estimate for your 2020 Bentley Mulsanne.

What is the most common reason for check engine light on a 2020 Bentley Mulsanne?

• Common causes include oxygen sensor faults, catalytic converter issues, or misfires stemming from ignition or fuel concerns. In high-performance engines like the 6.8L twin-turbo V8, sensors and turbo controls are frequent triggers.
• Addressing these promptly at Bentley Atlanta prevents catalytic damage and loss of performance, preserving both efficiency and long-term engine integrity.
• Our certified technicians use OEM parts and factory diagnostics to ensure the root cause is fixed the first time, producing better long-term value and fewer repeat visits.
• We recommend checking available service specials and using our service financing options; to prioritize safety and performance, schedule appointment with Bentley Atlanta today.

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

• Start with a full diagnostic scan to read stored fault codes — this reveals whether the issue is urgent (like a misfire) or routine (like a loose gas cap or sensor drift).
• At Bentley Atlanta we perform an OEM diagnostic, visual inspection, and test drive as needed to confirm symptoms and provide a transparent repair plan.
• If repairs are covered by warranty they should be completed at a certified dealership to maintain coverage; our team will document and coordinate warranty repairs for you.
• To minimize downtime and protect your investment, schedule service or review current service specials before visiting.