Frequently Asked Questions

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

• Verify the gas cap is tight and undamaged — a loose cap is a common trigger on the 2024 Lexus RX 350.
• Check for obvious issues: low oil, coolant level, or visible fluid leaks under the vehicle.
• Note any changes in performance: loss of power, rough idle, or strange noises—these details help diagnostics.
• Record when the light illuminated and any recent refueling or maintenance to share with our technicians.
• Bring the vehicle to Nalley Lexus Smyrna in Smyrna, GA for a certified scan if the light persists; warranty-covered repairs must be done at a certified dealership.

How long does a check engine light service take?

• Initial diagnostic scan typically takes 30–60 minutes to read codes and identify immediate faults on a 2024 Lexus RX 350.
• Minor fixes, like tightening a gas cap or clearing a transient code, may be completed the same day.
• Complex repairs requiring parts or further testing can extend service to several hours or a day—our team will provide a clear timeline.
• Choosing Nalley Lexus Smyrna often saves time and money due to direct parts access, factory-trained technicians, and streamlined warranty handling.
• We’ll communicate estimated completion and offer loaner or shuttle options when available.

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

• Diagnostic fees vary by issue, but a standard scan at Nalley Lexus Smyrna is competitively priced and frequently lower than many independent shops.
• We emphasize immediate and long-term savings: accurate diagnosis prevents unnecessary repairs and protects resale value.
• If repairs are covered by warranty, they must be performed at a certified dealership to remain valid—our team ensures proper documentation.
• Any recommended repairs will include a transparent estimate before work begins, and we honor service specials when applicable: /specials/service.htm.
• Contact our service department to confirm current diagnostic pricing and available appointment times.

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

• The light indicates the vehicle’s onboard diagnostics detected an issue—ranging from minor emissions concerns to engine or sensor faults.
• Common triggers include oxygen sensor faults, catalytic converter inefficiency, misfires, or fuel system issues.
• Some conditions are non-urgent, but others can cause damage if ignored; a prompt certified diagnostic protects performance and longevity.
• Our factory-trained technicians at Nalley Lexus Smyrna will read codes, explain causes, and recommend cost-effective repairs with warranty considerations.
• We aim to minimize downtime and provide clear options, including genuine parts and service specials to reduce out-of-pocket costs.

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

• The most frequent cause is an emissions-related sensor issue, such as a faulty oxygen sensor or mass airflow sensor.
• Loose or damaged gas caps and ignition misfires are also common triggers that are often quick to diagnose and repair.
• Ignoring these signs can lead to decreased fuel economy, higher emissions, and potential long-term engine damage.
• Nalley Lexus Smyrna’s diagnostics help you avoid unnecessary parts replacement and deliver immediate and long-term savings via accurate repairs.
• Warranty-covered sensor or emissions repairs must be performed at a certified dealership to ensure coverage and proper documentation.