Frequently Asked Questions

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

• Confirm obvious issues first: check the gas cap for tightness and visible fuel odors — a loose cap often triggers EVAP system codes.
• Look for dashboard indicators that accompany the light (e.g., temperature, oil pressure) to assess urgency.
• Note recent fuel or maintenance events and any changes in drivability to relay to technicians.
• If in doubt, bring your 2024 Lexus RC 350 to Nalley Lexus Roswell for a professional scan; our factory-trained technicians pinpoint causes and prevent needless repairs.

How much does a check engine light diagnostic cost for a 2024 Lexus RC 350?

• Diagnostic fees vary by complexity, but our transparent pricing often costs less than many independent shops while delivering higher-level service.
• We offer a comprehensive scan with Lexus-specific tools to identify stored and pending codes, freeze-frame data, and readiness monitors.
• Choosing Nalley Lexus Roswell yields immediate savings through accurate diagnosis and long-term savings by avoiding repeated, unnecessary repairs.
• Remember: any warranty-covered repairs must be performed at a certified dealership to preserve coverage and ensure OEM parts and proper procedures.

What does it mean when the check engine light comes on in a 2024 Lexus RC 350?

• The light indicates the vehicle’s onboard diagnostics (OBD) system has detected a fault ranging from minor emissions issues to engine or sensor failures.
• Codes can represent EVAP leaks, oxygen sensor faults, ignition misfires, or catalytic converter concerns; a scan identifies the specific code.
• Immediate diagnostics at Nalley Lexus Roswell help protect performance, fuel economy, and emissions compliance.
• If a fault falls under warranty, having the repair completed at a certified dealership preserves coverage and ensures OEM parts are used.

How long does a check engine light service take?

• Simple diagnostics and basic repairs (tighten gas cap, reset codes) may take under an hour.
• Comprehensive diagnosis, including road testing, full scans, and parts sourcing, typically requires a few hours; complex repairs may need a day or more.
• We prioritize efficient, accurate service: our factory-trained technicians and Lexus tools reduce repeat visits and overall downtime.
• Ask about loaner vehicles and service specials at Nalley Lexus Roswell to minimize interruption while we complete warranty or non-warranty work.

What is the most common reason for check engine light on a 2024 Lexus RC 350?

• Common triggers include a loose or faulty gas cap, oxygen sensor failures, ignition misfires, or EVAP system leaks.
• Oxygen sensor and EVAP issues often affect emissions and fuel economy; misfires can quickly damage the catalytic converter if ignored.
• Nalley Lexus Roswell’s diagnostics isolate root causes so you avoid unnecessary parts replacement and long-term expense.
• For warranty-covered issues, remember repairs must be performed at a certified dealership to keep benefits intact.