Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2022 Lexus LS 500?

• Check for a loose or damaged gas cap — it can trigger evaporative emissions codes and is a simple fix.
• Note any changes in performance, smells, or dashboard warnings to relay to the technician.
• Verify fuel type: the 2022 Lexus LS 500 requires premium unleaded; using proper fuel avoids some codes.
• Contact Nalley Lexus Smyrna for a quick diagnostic; factory-trained techs can determine if the issue needs immediate attention.
• Remember: repairs covered under warranty must be completed at a certified dealership to remain valid.

How long does a check engine light service take?

• Initial diagnostic: most scans and code reads take 20–45 minutes with our factory tools.
• Minor repairs (gas cap, sensor swaps) often completed the same day.
• Complex repairs (catalytic converter, engine timing) may require parts ordering and can take multiple days.
• We provide an accurate time estimate after diagnosis; using OEM parts and certified technicians often reduces repeat visits.
• Choosing Nalley Lexus Smyrna typically saves you time and money immediately and over the long term compared with independent shops.

How much does a check engine light diagnostic cost for a 2022 Lexus LS 500?

• Diagnostic fees vary by issue, but our dealership offers competitive pricing and transparent estimates after the scan.
• Many diagnostics are modestly priced; minor fixes can be low cost while preventing larger repairs later.
• Because our technicians are factory-trained and use OEM parts, you often save money over time through fewer comebacks and better longevity.
• Any repairs covered under warranty must be performed at a certified dealership to retain coverage—our team handles warranty work efficiently.
• Contact us online to view current service specials and schedule a diagnostic at Nalley Lexus Smyrna in Smyrna, GA.

What does it mean when the check engine light comes on in a 2022 Lexus LS 500?

• It indicates the vehicle’s onboard diagnostics detected an emissions, engine, or drivetrain issue requiring evaluation.
• Codes can range from minor EVAP leaks to ignition misfires or catalytic converter concerns — severity varies.
• Prompt diagnosis prevents escalation; ignoring codes can lead to higher repair costs and potential damage to components like the catalytic converter.
• Bring your 2022 Lexus LS 500 to Nalley Lexus Smyrna for a factory-level scan and a clear repair plan.
• Warranty-covered repairs must be done at a certified dealership to maintain coverage and maximize long-term savings.

What is the most common reason for check engine light on a 2022 Lexus LS 500?

• Common causes include oxygen sensor failures, ignition misfires, EVAP system leaks, and catalytic converter efficiency codes.
• Fuel trim and sensor issues can also trigger alerts—proper use of premium unleaded fuel helps prevent some problems.
• Our diagnostics pinpoint the root cause so you only pay for necessary repairs and avoid unnecessary replacements.
• Nalley Lexus Smyrna’s factory-trained technicians use OEM parts to extend component life and lower total ownership cost.
• Remember: warranty repairs must be performed at a certified dealership to remain valid and to preserve long-term savings.