Frequently Asked Questions

What does it mean when the check engine light comes on in a 2011 Lexus IS 350?

• The check engine light on a 2011 Lexus IS 350 signals that the vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to a sensor or emission system fault. Our certified technicians at Nalley Lexus Smyrna inspect codes with factory-grade scanners to identify the exact fault quickly.
• Choosing Nalley Lexus Smyrna often costs less than independent shops because we combine accurate diagnostics with OEM parts that prevent repeat repairs, delivering immediate savings and long-term value. Repairs covered under warranty must be performed at a certified dealership to remain valid.
• We recommend you schedule service right away so we can preserve engine health and avoid escalation to more expensive repairs down the road. Ask us about service financing to get repairs now and pay later.

How long does a check engine light service take?

• Most diagnostics for a 2011 Lexus IS 350 take about 30–90 minutes. If parts or deeper inspection are required, total time varies but we prioritize efficient turnarounds and clear communication.
• Nalley Lexus Smyrna’s certified technicians use OEM diagnostic tools that speed accurate repair, reducing repeat trips and saving you money over time. If a repair is needed, we’ll present transparent estimates and available service specials.
• To book a convenient time, schedule appointment online. We also offer service financing so you can get critical repairs completed immediately.

How much does a check engine light diagnostic cost for a 2011 Lexus IS 350?

• At Nalley Lexus Smyrna, diagnostics for a 2011 Lexus IS 350 start as low as $93.45 for a full scan and initial report — often better value than independents when you consider accurate diagnosis, OEM parts, and warranty protection.
• Immediate, correct diagnosis reduces long-term repair costs by preventing unnecessary part replacements. Repairs under warranty must be performed at a certified dealership to remain covered.
• We offer clear estimates, available service specials, and service financing to make necessary repairs affordable. Schedule service online for fast priority handling.

What is the most common reason for check engine light on a 2011 Lexus IS 350?

• The most common causes for a check engine light on a 2011 Lexus IS 350 are oxygen sensor faults, catalytic converter issues, or evaporation system problems like a loose or faulty gas cap. These issues, if left untreated, can escalate to costly repairs and poorer fuel economy.
• Nalley Lexus Smyrna’s factory-trained techs diagnose and repair these problems using OEM parts to preserve performance and emissions compliance. Choosing dealer service delivers better long-term value and maintains warranty coverage.
• Use our online tools to view inventory, check specials, or schedule service now — and ask about service financing when you book.

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

• Start with simple checks: ensure the gas cap is tight and inspect for obvious issues. However, a full scan with a factory-level OBD-II tool (available at Nalley Lexus Smyrna) provides the definitive diagnosis for a 2011 Lexus IS 350.
• Our dealership often provides faster, more accurate results than independent shops because we use OEM scanners and technicians trained by Lexus. That accuracy saves you money immediately and over the life of your vehicle by avoiding incorrect repairs.
• If the light is flashing, stop driving and schedule appointment online immediately. Remember that warranty-covered repairs must be done at a certified dealership and we offer service financing to help with unexpected costs.