Frequently Asked Questions

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

• Check for an obvious loose or missing gas cap — it’s a common, simple cause and can trigger EVAP codes.
• Listen and look for drivability issues (rough idle, stalling, smoke) that indicate urgent attention.
• Review recent fuel fill-ups or maintenance that might be related, then schedule a diagnostic at Bill Estes Toyota.
• Remember: repairs covered under warranty must be performed at a certified dealership to maintain coverage.
• Choosing Bill Estes Toyota often costs less than independent shops overall — we deliver immediate savings and long-term value with factory-trained technicians and OEM parts.

How long does a check engine light service take?

• Basic diagnostic scans typically take 30–60 minutes; complex issues can require additional testing and road time.
• Repairs vary — simple fixes like gas cap or sensor replacement are quick; catalytic converter or hybrid-system repairs take longer.
• We provide clear time estimates up front and prioritize efficient workflows to minimize downtime for your 2025 Toyota Grand Highlander Hybrid.
• Warranty repairs must be completed at a certified dealership; using Bill Estes Toyota preserves coverage and reduces the risk of future costs.
• Our factory-trained technicians and genuine parts mean fewer return visits, delivering immediate and long-term savings versus many independent shops.

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

• The light indicates the vehicle’s onboard diagnostics detected a fault — from minor EVAP leaks to engine misfires or emissions system issues.
• Codes can range from simple sensor or gas-cap errors to more serious misfires that can damage the catalytic converter.
• For hybrids, the system may also flag hybrid battery, inverter, or EV-system alerts that need trained hybrid technicians.
• Immediate dealership diagnosis protects warranty rights; any covered repair must be done at a certified dealer like Bill Estes Toyota.
• We commonly deliver better overall value than independents by preventing costly downstream damage with accurate, factory-level repairs.

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

• Loose or damaged gas caps causing EVAP system codes are frequent and inexpensive to fix.
• Oxygen sensor faults and catalytic efficiency codes (e.g., P0420) also appear commonly and, if ignored, lead to higher fuel use and converter damage.
• Hybrid system alerts or battery-related codes require dealer-level diagnostics to ensure safety and preserve warranty coverage.
• Addressing issues promptly at Bill Estes Toyota reduces repair escalation, safeguarding fuel economy and component life.
• Our certified technicians and OEM parts often mean lower total cost of ownership compared with repeated independent repairs.

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

• Diagnostics at the dealership typically fall within a competitive range; simple scans can be very affordable while thorough hybrid diagnostics may be higher due to specialized equipment.
• Exact pricing depends on time and testing required; we provide upfront estimates and written approvals before repairs proceed.
• Using Bill Estes Toyota often costs less than independent shops overall thanks to accurate diagnostics, OEM parts, and fewer repeat repairs — delivering immediate savings and long-term value.
• If repairs are covered under warranty, they must be completed at a certified dealership to maintain coverage; we handle warranty work efficiently and correctly.
• Contact our service department for transparent pricing and to schedule a diagnostic: Service Specials or visit our service page on billestestoyota.com.