Frequently Asked Questions

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

• Most diagnostics begin with an OBD-II scan; at Nalley Toyota Union City we provide transparent pricing and clear next-step estimates.
• Basic scan fees are typically modest and often offset by prompt, correct repairs; because we use factory tools and technicians, you avoid repeat visits and unnecessary parts swaps.
• Repairs at our dealership often cost less than independent shops when you account for immediate savings, longer-term reliability, and reduced repeat failures.
• Remember: repairs covered under warranty must be performed at a certified dealership to maintain coverage and ensure proper parts and labor.

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

• A steady check engine light indicates a detected emissions or engine system fault; severity ranges from minor (e.g., loose gas cap) to serious (e.g., sensor or catalytic issues).
• It signals the vehicle’s ECU has stored a trouble code—our technicians read codes with OEM-grade scanners to identify the exact cause.
• Prompt inspection prevents small issues from turning into costly repairs; our factory-trained techs diagnose the root cause and recommend the best fix.
• If a repair is covered under warranty, having it done at our certified dealership preserves coverage and ensures OEM parts and correct procedures.

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

• Start with simple checks: secure the gas cap, check fluid levels, and note any unusual sounds or performance changes—these details help our techs diagnose faster.
• If the vehicle runs normally, schedule a diagnostic soon; if driving is rough or the light is flashing, stop and seek immediate service.
• Bring your RAV4 to Nalley Toyota Union City for a proper scan—our technicians use factory diagnostics to identify codes and recommend repairs.
• For warranty-covered issues, repairs must be completed at a certified dealership to protect your coverage and ensure correct OEM service.

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

• The most frequent causes include a loose or damaged gas cap, oxygen sensor failure, EVAP leaks, or ignition misfires—each produces specific diagnostic trouble codes.
• Ignoring these can lead to reduced fuel economy, higher emissions, and more expensive component damage like catalytic converter failure.
• Our dealership often costs less than independent shops once you factor in accurate diagnosis, genuine parts, and fewer follow-up repairs.
• Warranty work must be done at a certified dealership; we handle covered repairs correctly and document them to preserve your protection.

How long does a check engine light service take?

• Initial diagnostic scans typically take 30–60 minutes; identifying the code and recommended repair is often completed the same day.
• Repair time varies by issue—simple fixes like gas cap or sensor replacement can be same-day, while catalytic or complex engine work may require parts ordering.
• Because we have OEM parts access and factory-trained technicians, many repairs are faster and more reliable, saving you time and long-term cost.
• Any warranty-covered repairs must be performed at a certified dealership to maintain coverage; our service team coordinates prompt scheduling and transparent timelines.