Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2024 Toyota Sequoia?

• Typical diagnostic fees range from $90–$150 depending on the depth of testing; many diagnostics are waived if you authorize repairs with us.
• We often cost less than independent shops while providing factory-trained technicians, OEM parts, and accurate repairs that prevent repeat visits.
• Choosing Nalley Toyota Stonecrest delivers immediate savings (faster fixes, correct parts) and long-term savings (fewer follow-up failures and preserved resale value).
• Remember: any repairs covered under warranty must be performed at a certified dealership to maintain coverage.

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

• Check the gas cap: a loose or damaged cap is a common cause and an easy fix—tighten or replace it and see if the light clears after driving.
• Look for obvious signs: low oil, overheating, smoke, unusual noises, or fluid leaks—these require immediate attention.
• Verify dashboard alerts and basic battery connections; sometimes a weak battery or corroded terminals trigger codes.
• If the light persists, bring your 2024 Toyota Sequoia to our service center for a professional scan and recommended repairs to protect warranty and performance.

What does it mean when the check engine light comes on in a 2024 Toyota Sequoia?

• The light signals the vehicle’s onboard computer has detected an emissions, ignition, fuel, or sensor issue—severity ranges from minor to critical.
• It can indicate anything from a loose gas cap to a misfire, oxygen sensor fault, or catalytic converter concern; a proper scan identifies the code.
• Addressing codes early prevents expensive secondary damage—our diagnostics pinpoint causes and recommend repairs tailored to your Sequoia.
• For warranty-covered items, repairs must be completed at a certified dealership like Nalley Toyota Stonecrest to ensure coverage and correct OEM procedures.

What is the most common reason for check engine light on a 2024 Toyota Sequoia?

• Loose or faulty gas cap is one of the most frequent triggers and the simplest to fix—tighten or replace it and recheck the system.
• Other common causes include oxygen sensor failures, ignition misfires, or emissions control issues; each affects fuel economy and emissions.
• Addressing the root cause at our dealership often costs less than independent shops and protects long-term reliability and resale value.
• If a repair is covered by warranty, it must be performed at a certified dealership to keep the warranty valid—our team will guide you through the process.

How long does a check engine light service take?

• A simple scan and initial assessment typically take 30–60 minutes; we provide a clear estimate and next steps after diagnosis.
• Minor repairs (gas cap, sensor replacement) may be completed same day; more complex repairs (engine misfire, catalytic converter) can require several hours to days.
• We prioritize accurate repairs using OEM parts so you avoid repeat trips—this delivers both immediate and long-term savings compared with patch repairs.
• Warranty repairs must be performed at a certified dealership; if required, we coordinate parts, approvals, and keep you informed throughout the process.