Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2022 Lexus NX 350?

• Diagnostics at Nalley Lexus Roswell typically include a computerized scan and inspection by factory-trained technicians to identify the root cause.
• We often cost less than independent shops while providing manufacturer-level service, genuine parts and long-term savings through accurate repairs.
• Estimated diagnostic fees may be offset if you proceed with recommended repairs at our service center.
• Any repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure proper part authorization.

What does it mean when the check engine light comes on in a 2022 Lexus NX 350?

• The light signals the engine management system has detected a fault — from minor emissions issues to more serious mechanical problems.
• Common causes range from loose gas caps and EVAP leaks to misfires, sensor failures or turbo-related performance alerts.
• Immediate diagnostics at Nalley Lexus Roswell identify whether its a simple fix or requires deeper repair, reducing the risk of escalation and added cost.
• Repairs under warranty must be completed at a certified dealership to maintain coverage and maximize long-term savings.

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

• Start with basic checks: a securely tightened gas cap and visible leaks. These simple fixes are often the cause of emission-related codes.
• If the cap and visible inspections are fine, schedule a diagnostic scan with Nalley Lexus Roswell for a precise code read and professional assessment.
• Our factory-trained technicians follow Toyota/Lexus procedures, preserving warranty coverage and delivering immediate and long-term savings versus repeat repairs.
• Remember: any warranty repairs must be performed at a certified dealership to protect your vehicles coverage.

What is the most common reason for check engine light on a 2022 Lexus NX 350?

• Common triggers include oxygen sensor faults, EVAP leaks, ignition misfires, or issues with turbocharger performance on the 2.4L turbo engine.
• Many issues start as small symptoms; prompt diagnosis prevents damage to catalytic converters and expensive downstream repairs.
• Nalley Lexus Roswells technicians use OEM diagnostic tools to pinpoint the cause quickly and accurately.
• Choosing our dealership often reduces total ownership cost by preventing misdiagnosis and protecting warranty eligibility through certified repairs.

How long does a check engine light service take?

• Typical diagnostics take between 30 minutes and 2 hours depending on code complexity and the need for test drives or extended inspections.
• Simple repairs can be completed the same day; more involved repairs or parts orders may require additional time.
• At Nalley Lexus Roswell we prioritize accurate diagnosis to avoid repeat visits and provide immediate and long-term savings.
• Warranty-covered repairs must be performed at a certified dealership to ensure proper documentation and continued coverage.