Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2025 Toyota Tundra?

• Check for obvious issues first: a loose or missing gas cap, low oil level, or a disconnected sensor can trigger the light.
• Inspect dashboard messages—some models offer guidance that narrows the cause before diagnostics are needed.
• If simple checks don’t resolve it, bring the vehicle to our service center for computerized diagnostics and an accurate reading of stored codes.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage and ensure long-term savings.
• Nalley Toyota Stonecrest often costs less than independent shops while providing factory-trained technicians and OEM parts for reliable results.

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

• Basic computerized diagnostics are competitively priced; final costs depend on the issue the scan reveals.
• Common, simple fixes (like a gas cap or sensor replacement) are inexpensive and performed quickly by our team.
• More complex repairs—such as turbocharger or catalytic converter replacement—vary in cost; we provide transparent estimates before work begins.
• Choosing our dealership often yields immediate and long-term savings by using OEM parts, factory procedures, and warranty protection.
• Any warranty-covered repairs must be completed at a certified dealership to maintain coverage and vehicle value.

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

• The light indicates the vehicle’s onboard diagnostics detected a fault—anything from emissions-related sensors to engine or turbocharger issues.
• It does not always mean an emergency, but it signals the need for a scan to identify stored trouble codes and recommended repairs.
• Our diagnostics pinpoint whether the issue affects drivability, emissions, or safety, and we recommend immediate action when necessary.
• Repairs under warranty must be performed by a certified dealership to ensure proper coverage and optimal long-term performance.
• Nalley Toyota Stonecrest delivers factory-trained technicians and genuine parts, often at lower total cost than independent options when considering service life and warranty benefits.

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

• Emissions system issues—like oxygen sensor or EVAP system faults, including a loose gas cap—are frequent triggers.
• Sensor failures and wiring issues related to fuel and ignition systems are common causes that our technicians diagnose quickly.
• Early attention reduces the chance of secondary damage to components like catalytic converters, saving money long term.
• Because warranty repairs must be completed at certified dealerships, our service saves you both immediate diagnostic costs and potential future expenses.
• Nalley Toyota Stonecrest pairs OEM parts with factory procedures to restore proper operation and preserve vehicle value.

How long does a check engine light service take?

• Diagnostic scans typically take under an hour; we then provide an estimate and explain recommended repairs and timelines.
• Minor repairs can often be completed the same day; complex repairs depend on parts availability and required labor.
• We prioritize clear scheduling and use OEM parts to ensure repairs are done right the first time, minimizing repeat visits.
• If a repair is covered by warranty, it must be performed at a certified dealership—this helps you avoid future costs and maintains warranty protection.
• Nalley Toyota Stonecrest delivers efficient service with factory-trained technicians, offering immediate and long-term savings compared with many independent shops.