Frequently Asked Questions

What is the most common reason for the check engine light on a 2024 Toyota Grand Highlander?

• Most often it's an emissions or fuel-trim issue: loose gas cap, oxygen sensor, or an evaporative (EVAP) leak.
• Other frequent causes include ignition misfires, faulty spark plugs/coils, or a failing catalytic converter if left unaddressed.
• Ignoring these issues raises fuel costs and risks further damage; timely dealer service prevents cascading repairs and preserves warranty coverage.
• Coggin Toyota at the Avenues offers factory-trained diagnostics that often cost less than independent shops when considering immediate and long-term savings.

What does it mean when the check engine light comes on in a 2024 Toyota Grand Highlander?

• It signals the vehicle’s onboard diagnostics detected a fault in the engine, emissions, or powertrain systems.
• Codes range from minor (loose cap or sensor) to serious (misfire or catalytic converter damage) and require a scan to identify.
• Prompt dealer inspection protects warranty rights—any covered repairs must be completed at a certified dealership to remain valid.
• Bringing your vehicle to Coggin Toyota at the Avenues ensures accurate diagnosis by Toyota-trained technicians and long-term cost savings.

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

• Start with the simple items: ensure the gas cap is tight and not damaged—this often clears evaporative system codes.
• If the light stays on, schedule a diagnostic scan; do not attempt extensive repairs without a confirmed code.
• For warranty protection, any repairs under warranty must be performed at a certified dealership like Coggin Toyota at the Avenues.
• Our dealership provides efficient inspections and transparent pricing that frequently delivers better immediate and long-term value than independent shops.

How much does a check engine light diagnostic cost for a 2024 Toyota Grand Highlander?

• Typical dealer diagnostic scans range from a modest fee to a standard service charge, often comparable to or lower than independent shops when factoring in warranty and expertise.
• Diagnostic fees may be applied to repairs if you proceed with service at the dealership, delivering immediate savings.
• Actual repair costs vary: inexpensive fixes like sensors or gas caps can be under $200, while catalytic or engine repairs can be significantly higher.
• Coggin Toyota at the Avenues emphasizes long-term savings—factory-trained technicians, genuine parts, and warranty protection often reduce total ownership cost.

How long does a check engine light service take?

• Simple diagnostics and resets can take 30–60 minutes; more involved diagnostics or repairs may require several hours or a return appointment.
• If parts are needed, repair time depends on availability; our service team provides clear timelines and status updates.
• Choosing Coggin Toyota at the Avenues ensures efficient scheduling, OEM parts, and factory-trained technicians—minimizing downtime and long-term expense.
• Remember: repairs covered under warranty must be done at a certified dealership to maintain coverage and avoid future costs.