Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2022 Lexus IS 300?

• Diagnostics typically begin with a comprehensive scan using OEM-grade tools; Nalley Lexus Roswell provides transparent pricing and written estimates before work begins.
• Our dealership often costs less than independent shops because we combine efficient diagnostics, genuine parts, and factory-trained technicians to reduce repeat visits and long-term repair costs.
• Any repair covered under warranty must be performed at a certified dealership to preserve coverage and ensure long-term savings—our team will verify warranty eligibility during the diagnostic.
• We offer service specials and clear estimates; check current offers at /specials/service.htm or schedule an inspection at Nalley Lexus Roswell for exact pricing.

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

• Start with basics: ensure the fuel cap is tightened securely—an EVAP leak from a loose cap is a common, inexpensive fix.
• Check for obvious issues such as low oil, coolant levels, or visible fluid leaks before driving extensively.
• If the light persists, bring the 2022 Lexus IS 300 to Nalley Lexus Roswell; factory-trained technicians use Lexus diagnostic tools to identify codes and recommend OEM repairs.
• For warranty-covered issues, repairs must be done at a certified dealership to protect benefits and ensure proper long-term performance.

What does it mean when the check engine light comes on in a 2022 Lexus IS 300?

• The check engine light signals that the vehicle’s onboard diagnostics detected a fault—codes can range from minor EVAP leaks to ignition misfires or emissions control issues.
• It does not always mean immediate danger, but it does require timely inspection to avoid escalation into costlier repairs or performance loss.
• Nalley Lexus Roswell prioritizes prompt diagnosis with OEM scanners and factory-trained technicians to restore optimal performance and maximize fuel efficiency.
• Remember: warranty-covered repairs must be completed at a certified dealership to preserve coverage and long-term savings.

How long does a check engine light service take?

• Initial diagnostics using Lexus-grade equipment typically take 30–60 minutes, depending on the complexity of codes and road-test requirements.
• Simple fixes like tightening a fuel cap or clearing a false code can be completed quickly, while part replacements or in-depth troubleshooting may require additional time and a follow-up visit.
• Nalley Lexus Roswell provides clear time estimates when you check in; our efficient workflow and OEM parts often reduce total repair time compared with repeat visits to independent shops.
• If warranty repairs are needed, having the work done at a certified dealership ensures proper documentation and long-term protection for your vehicle.