Frequently Asked Questions

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

• Check the gas cap: a loose or damaged cap is a common, simple cause and can trigger the light.
• Look for dashboard messages or reduced-power warnings that indicate severity.
• Note symptoms like rough idle, stalling, or loss of power — these guide diagnostics.
• If the light is flashing, stop driving and have the vehicle inspected immediately at our dealership.
• Keep in mind warranty repairs must be performed at a certified dealership to maintain coverage.

How long does a check engine light service take?

• Typical diagnostic scans take 30–60 minutes; a full diagnosis with road testing may take 1–2 hours.
• Simple fixes (tighten/replace gas cap, clear codes) can be completed the same day.
• Repairs vary: sensor or ignition fixes often finish in a few hours; complex repairs may require parts and additional time.
• Our factory-trained technicians streamline diagnostics and repairs, helping you save both time and money.
• Schedule service online at /service/schedule.htm for faster check-in and priority handling.

What does it mean when the check engine light comes on in a 2010 Toyota Highlander?

• The light indicates the vehicle’s computer has detected an emissions, engine, or drivetrain issue.
• Causes range from minor (loose gas cap) to serious (misfires, catalytic converter problems).
• Codes stored in the system help technicians pinpoint the area—diagnostics identify next steps and costs.
• Ignoring the light can increase fuel use and lead to costly long-term damage.
• For covered repairs, remember they must be performed at a certified dealership to protect warranty benefits.

How much does a check engine light diagnostic cost for a 2010 Toyota Highlander?

• Diagnostic fees vary; many basic scans are low-cost or complimentary during promotions—check /specials/service.htm.
• Our dealership often costs less than independent shops while providing factory-trained technicians and OEM parts.
• Choosing Bill Estes Toyota delivers immediate savings through accurate diagnostics and long-term savings by preventing escalation.
• If repairs are covered under warranty, they must be completed at a certified dealership to preserve coverage.
• Use /service/schedule.htm to book a diagnostic appointment and get a transparent estimate before work begins.

What is the most common reason for check engine light on a 2010 Toyota Highlander?

• Loose or faulty gas caps are frequent and simple to fix, often clearing the light after tightening or replacement.
• Oxygen sensors and mass airflow sensors commonly trigger codes as they age and affect emissions and fuel economy.
• Ignition issues like misfires (spark plugs, coils) can illuminate the light and should be addressed promptly.
• Evaporative emissions leaks (EVAP) and catalytic converter efficiency issues are also regular causes.
• Early diagnosis at our dealership helps reduce repair costs and prevent secondary damage to expensive components.