Frequently Asked Questions

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

• It indicates the vehicle detected an issue with emissions, engine, transmission, or related sensors. Codes are specific and require diagnostic equipment to read accurately.
• At Larry H. Miller Toyota Peoria, factory-trained technicians use OEM scanners to pinpoint the cause quickly, often saving you both time and money versus guesswork repairs.
• We prioritize repairs that protect long-term vehicle health and fuel efficiency. Many fixes come with parts and labor warranties — and warranty-covered repairs must be performed at a certified dealership.
• We offer service financing so you can get the repairs now and pay later, reducing immediate cost impact while protecting resale value and avoiding compounding damage.

How long does a check engine light service take?

• Typical diagnostics are completed within an hour, though some repairs can take longer depending on parts and severity.
• Larry H. Miller Toyota Peoria focuses on fast turnarounds with transparent estimates, clear communication, and a comfortable waiting area or loaner options when available.
• We often cost less than independent shops when factoring in diagnostic accuracy, OEM parts, and warranty protection — delivering immediate and long-term savings.
• To get a convenient appointment, please schedule service online.

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

• Diagnostic pricing varies by issue, but at Larry H. Miller Toyota Peoria we provide competitive diagnostic rates and straightforward quotes before any repair begins.
• We emphasize value: accurate diagnostics reduce unnecessary repairs and protect long-term ownership costs, often costing less over time than less thorough alternatives.
• Ask about our current service specials and financing options to manage immediate costs while preserving vehicle longevity.

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

• Common causes include loose gas cap, oxygen sensor failure, catalytic converter issues, or misfires — each with different repair scopes and costs if left unaddressed.
• Leaving codes unresolved can reduce fuel economy, accelerate component wear, and increase repair bills. Dealership diagnostics help catch issues early and save money over time.
• Warranty and manufacturer recalls are handled directly at our dealership; warranty repairs must be done at a certified location like Larry H. Miller Toyota Peoria to remain valid.

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

• First, check for obvious signs: loose or missing gas cap, unusual noises, or fluid leaks. Then have a certified diagnostic scan performed to read stored trouble codes.
• Bring your vehicle to Larry H. Miller Toyota Peoria for a precise scan and transparent repair plan. We use OEM tools and parts to ensure correct repairs and maintain warranty coverage.
• To get started quickly and conveniently, schedule service online and review current service specials.