Frequently Asked Questions

What is the most common reason for check engine light on a 2026 Toyota Tundra?

• Common causes include faulty oxygen sensors, loose or damaged gas caps, ignition misfires, or issues with the evaporative emissions (EVAP) system.
• Oxygen sensor faults and EVAP leaks often trigger codes that reduce fuel economy and performance if left unaddressed.
• Ignoring these issues can lead to more expensive repairs like catalytic converter replacement; early diagnosis reduces long‑term cost.
• Bring your 2026 Toyota Tundra to Courtesy Toyota of Brandon for OEM diagnostics and repairs by factory‑trained technicians to protect warranty coverage.

What does it mean when the check engine light comes on in a 2026 Toyota Tundra?

• The light indicates the onboard diagnostics (OBD‑II) system detected a fault and stored a diagnostic trouble code (DTC).
• Codes range from minor issues (loose gas cap) to serious engine or emissions faults requiring immediate attention.
• We recommend prompt scanning to identify the specific code; our dealership uses OEM diagnostic tools for accurate results.
• If a repair is covered under warranty, work must be completed at a certified dealership to preserve coverage and ensure long‑term savings.

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

• Start with simple checks: ensure the gas cap is tightened, verify fluid levels, and look for obvious signs like a loose battery terminal or disconnected vacuum line.
• If the light remains, avoid clearing codes yourself; resetting without repair can mask issues and void timely warranty documentation.
• Our technicians can perform a quick scan and advise whether it’s safe to drive or if immediate service at Courtesy Toyota of Brandon is necessary.
• Using our dealership often costs less than independent shops due to expert diagnostics, genuine parts, and warranty protection that prevents repeat expense.

How much does a check engine light diagnostic cost for a 2026 Toyota Tundra?

• Diagnostic fees vary; a standard scan and inspection at our dealership is competitively priced and clearly explained up front.
• Because we use OEM scanners and factory‑trained technicians, we often deliver lower overall cost than independent shops by avoiding unnecessary parts and repeat visits.
• If a repair is covered under warranty, it must be performed at a certified dealership to qualify—this protects you from future out‑of‑pocket costs.
• We focus on immediate and long‑term savings: accurate diagnostics, genuine parts, and documented warranty work reduce total ownership expense.

How long does a check engine light service take?

• Typical scan and basic inspection take 30–90 minutes; more complex diagnostics or repairs can extend to several hours or a day, depending on the issue.
• Simple fixes like tightening a gas cap or replacing an O2 sensor can often be completed the same day at Courtesy Toyota of Brandon.
• For warranty or complex repairs, we prioritize accuracy and proper parts; that focused approach reduces recurring visits and long‑term expenses.
• We offer clear time estimates before work begins and use factory tools to diagnose efficiently, ensuring dependable results and documented warranty compliance.