Frequently Asked Questions

How much does a check engine light diagnostic cost for a 2025 Toyota RAV4 Hybrid?

• Diagnostics usually start with an OBD-II scan; many dealerships offer introductory scan pricing or service specials — check Service Specials.
• Labor and parts vary by repair. We often provide lower overall costs than independent shops thanks to efficient diagnostics and genuine Toyota parts, producing immediate and long-term savings.
• If a repair is covered under warranty, it must be completed at a certified dealership to preserve coverage and avoid out-of-pocket expense.
• We provide transparent estimates before work begins and can schedule repairs via New Inventory or online service tools.

What does it mean when the check engine light comes on in a 2025 Toyota RAV4 Hybrid?

• It indicates the vehicle’s onboard diagnostics detected a fault — anything from a loose gas cap to sensor or emission-system issues.
• Some faults are minor and allow safe driving; others require prompt service to avoid damage or fuel efficiency loss.
• Our factory-trained technicians perform a complete scan, diagnose root causes, and explain repair options and long-term cost implications.
• Warranty-covered repairs must be done at a certified dealership to ensure coverage and use of OEM parts.

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

• Check that the fuel cap is tight — a loose cap is a common, quick fix and can clear the light after a few drive cycles.
• Look at dashboard gauges for overheating or low oil; if other warning lights accompany the CEL, stop driving and call us.
• If you’re unsure, bring your vehicle to Nalley Toyota of Roswell for a rapid scan so a technician can confirm whether immediate service is needed.
• Remember: warranty repairs must be done at certified dealerships to keep coverage intact.

How long does a check engine light service take?

• A basic diagnostic scan is typically 30–60 minutes, allowing us to read codes and produce an initial estimate.
• Minor repairs like replacing a gas cap or sensor often finish the same day; more complex repairs may take longer depending on parts and workload.
• We aim for fast turnaround without sacrificing quality; factory training and OEM processes reduce repeat visits and save money over time.
• If covered by warranty, repairs must be performed at a certified dealership—this protects long-term value and saves on unexpected costs.

What is the most common reason for check engine light on a 2025 Toyota RAV4 Hybrid?

• Common causes include a loose fuel cap, oxygen sensor issues, EVAP leaks, or catalytic converter efficiency codes — many are caught early through diagnostics.
• Hybrid systems also rely on battery and control modules; our technicians are trained in hybrid-specific diagnostics to pinpoint causes quickly.
• Prompt diagnosis prevents escalation, preserves fuel economy, and reduces the chance of costly downstream repairs.
• For warranty-covered fixes, have repairs completed at a certified dealership to maintain coverage and use OEM parts.