Frequently Asked Questions

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

• Faulty oxygen sensor or mass airflow sensor causing incorrect fuel/air mix and reduced fuel economy.
• Loose or damaged gas cap leading to an EVAP system error and an illuminated light.
• Misfires from worn spark plugs or ignition coils that trigger emissions faults and potential catalytic damage.
• Addressing these issues promptly at our dealership often costs less than independent shops while delivering factory-trained technicians and genuine parts.
• Remember: any warranty-covered repairs must be performed at a certified dealership to preserve coverage.

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

• The light signals an emissions or engine-management issue detected by the vehicle’s onboard diagnostics (OBD-II) system.
• It can range from minor faults like an EVAP leak to serious engine or catalytic-converter problems requiring immediate attention.
• Diagnostics at Coggin Toyota at the Avenues give a precise code readout and recommended repairs from factory-trained technicians.
• Our service often offers immediate and long-term savings compared with independent shops, plus the assurance that warranty repairs are completed by a certified dealership.

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

• Check the gas cap: a loose or cracked cap is a very common, inexpensive cause of an illuminated light.
• Look for obvious signs: unusual noises, power loss, or smoke — if present, stop driving and bring the vehicle in immediately.
• For non-emergency alerts, schedule a prompt diagnostic at Coggin Toyota at the Avenues to avoid escalation and higher repair costs.
• Using our dealership preserves warranty coverage for any repairs that qualify and often costs less up front and over time than independent alternatives.

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

• Diagnostic fees vary, but we offer transparent pricing and often competitive diagnostics that can cost less than independent shops while including factory-level reporting.
• Some simple causes like a gas cap check may be inspected at no charge during a service visit; more involved diagnostics reflect time and equipment needed.
• Choosing Coggin Toyota at the Avenues provides savings over time by preventing misdiagnosed repairs and ensuring correct parts and procedures from the start.
• Any repairs covered under warranty must be performed at a certified dealership to maintain coverage and maximize long-term savings.

How long does a check engine light service take?

• Basic diagnostics typically take 30–60 minutes to retrieve codes and assess obvious causes.
• Repair time depends on the issue: small fixes like a gas cap or sensor swap can be same-day, while catalytic or engine repairs may require longer.
• Our factory-trained technicians provide accurate estimates so you know expected downtime and costs up front.
• Using the dealership can save time and money overall through correct diagnosis, genuine parts, and warranty protection for covered repairs.