Frequently Asked Questions

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

• Inspect the gas cap for tightness and damage; a loose or faulty cap is a common trigger on the 2026 Toyota Highlander.
• Check for recent fueling or fuel-station issues that can cause an evaporative leak code.
• Monitor engine performance—if you notice rough idling or loss of power, avoid driving and get a diagnostic promptly.
• Bring the vehicle to Coggin Toyota at the Avenues for a quick scan so factory-trained technicians can confirm whether further repair is needed.
• Remember: if a repair is covered by warranty, it must be performed at a certified dealership to preserve coverage.

How long does a check engine light service take?

• Initial diagnostic scan for a 2026 Toyota Highlander typically takes 30–60 minutes to read codes and review freeze-frame data.
• Minor fixes, such as tightening a gas cap or replacing a sensor, are often completed the same day.
• More involved repairs (fuel system, catalytic converter, or intermittent misfires) can take several hours to a day depending on parts availability.
• At Coggin Toyota at the Avenues we prioritize efficient scheduling, genuine parts, and factory-trained technicians to reduce downtime and long-term costs.

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

• It signals that the vehicle’s onboard diagnostics detected a fault—ranging from minor emissions issues to engine misfires.
• Common causes include evaporative system leaks, oxygen sensor faults, ignition misfires, or emissions system performance problems on a 2026 Toyota Highlander.
• While some issues are minor, unresolved faults can harm fuel economy and lead to expensive repairs; our dealership often costs less than independent shops while delivering superior service and genuine parts.
• Warranty-covered repairs must be performed at a certified dealership to remain valid, so bring your vehicle to Coggin Toyota at the Avenues for covered work.

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

• Diagnostic fees vary, but expect a typical range of about $100–$200 for a comprehensive scan and code interpretation.
• If repairs are required, Coggin Toyota at the Avenues often provides more competitive pricing than independent shops when factoring in genuine parts, accurate diagnostics, and long-term reliability.
• Immediate savings come from precise diagnosis and correct repairs the first time; long-term savings come from genuine parts and factory-trained technicians that reduce repeat visits.
• Any repairs covered under warranty must be done at a certified dealership to protect your coverage and vehicle value.

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

• Evaporative emissions issues—often a loose or damaged gas cap—are among the most frequent triggers on the 2026 Toyota Highlander.
• Other common causes include oxygen sensor failures, ignition misfires, and catalytic converter efficiency faults.
• Addressing these promptly at Coggin Toyota at the Avenues avoids worsening problems and can be more cost-effective than repairs done later elsewhere.
• Warranty repairs must be completed at a certified dealership; our factory-trained technicians ensure covered work is handled correctly.