Frequently Asked Questions

How long does a check engine light service take?

• Most diagnostics at our service center are completed within 30–60 minutes for a standard scan and code read.
• If codes indicate simple issues, repairs like sensor replacement or tightening a gas cap are often same-day.
• More complex repairs that require parts or deeper diagnosis can take longer; we provide an upfront time estimate.
• Choosing Nalley Toyota of Roswell often reduces overall downtime — our trained techs and parts availability speed repairs and lower long-term costs.
• Remember: repairs covered under warranty must be performed at a certified dealership to remain valid.

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

• Start with the basics: ensure the fuel cap on the 2024 Toyota Corolla Hatchback is tight — a loose cap is a common trigger.
• Look for other dashboard warnings (battery, oil, temperature) that may indicate a related problem.
• If the light is steady, you can drive carefully to a service center; avoid heavy loads or high speeds until inspected.
• If the light is flashing, stop driving and have the vehicle inspected immediately by our dealership to prevent damage.
• For warranty protection and accurate repair records, have inspections and repairs performed at Nalley Toyota of Roswell.

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

• The light indicates the vehicle’s onboard computer has detected a system irregularity — from emissions to engine performance.
• Common causes include fuel system issues, oxygen sensor faults, ignition misfires, or catalytic converter concerns.
• It can range from minor (loose gas cap) to serious (engine misfire), so prompt diagnosis is important to avoid escalating costs.
• Our technicians run a full OEM diagnostic scan to pinpoint the code and recommend the most cost-effective repair path.
• Warranty-covered repairs must be completed at a certified dealership like Nalley Toyota of Roswell to ensure coverage.

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

• Diagnostic fees can vary, but at Nalley Toyota of Roswell we offer competitive pricing and transparent estimates for the diagnostic scan.
• Because we frequently cost less than many independent shops while providing factory-trained technicians, customers often save both immediately and over time.
• If the issue is covered by warranty, diagnostic and repair work performed at our certified dealership may be covered — repairs under warranty must be done at a certified dealership.
• We always provide a clear repair estimate before work begins so you can weigh options and savings.
• Ask about current service specials and maintenance offers to reduce out-of-pocket expense further.