Frequently Asked Questions

What does it mean when the check engine light comes on in a 2020 Toyota Land Cruiser?

• It signals your vehicle’s onboard diagnostics system has detected an issue. Causes range from a loose gas cap to emissions, ignition, or fuel-system faults.
• At Larry H. Miller Toyota Peoria, our factory-trained technicians run a full diagnostic scan to identify error codes and recommend precise repairs that preserve vehicle longevity and resale value.
• We use OEM parts and transparent estimates so you understand immediate and long-term savings from correct repair versus temporary fixes.
• Warranty-covered repairs must be done at a certified dealership; we clearly identify what’s covered and what’s not to protect your investment.
• We offer service financing so you can get necessary repairs now and pay later, and you can schedule service online for convenience.

How long does a check engine light service take?

• Most diagnostics are completed within an hour; follow-up repairs depend on the fault—simple fixes can be same-day, complex repairs take longer.
• Larry H. Miller Toyota Peoria provides clear time estimates, quick parts access, and efficient bays to minimize downtime so you get back on the road sooner.
• We recommend checking current offers before arrival; view our service specials to combine savings with fast service.
• Certified technicians and direct access to OEM parts reduce repeat visits, delivering better long-term value than temporary fixes.
• You can schedule appointment online to reserve a convenient time slot.

How much does a check engine light diagnostic cost for a 2020 Toyota Land Cruiser?

• Diagnostics at our service center often start competitively (from about $89) and frequently cost less than many independent shops while offering higher service standards.
• Choosing Larry H. Miller Toyota Peoria often yields immediate savings through accurate diagnosis and long-term savings by preventing unnecessary repairs and improving fuel efficiency.
• We provide transparent written estimates before work begins and explain warranty coverage—any warranty repairs must be performed at a certified dealership to keep coverage valid.
• Service financing is available so you can address issues right away and avoid compounding damage or higher repair costs later.
• To lock in a time and confirm current pricing, please schedule service or check our service specials.

What is the most common reason for check engine light on a 2020 Toyota Land Cruiser?

• Common causes include oxygen sensor failure, catalytic converter issues, loose gas cap, or ignition coil and spark plug problems.
• Ignoring these can reduce fuel economy, increase emissions, and cause costly damage over time; our diagnostics identify the root cause to prevent escalation.
• Larry H. Miller Toyota Peoria emphasizes OEM repairs and long-term reliability—our technicians diagnose and repair correctly the first time, saving you money and mileage.
• We back repairs with clear warranties and recommend certified service for any warranty work to preserve coverage.
• Use service financing when needed and schedule service online for prompt attention.

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

• Start with simple checks: secure the gas cap, note driving behavior, and see if other warning lights are present.
• Next, bring the vehicle to our certified service center for a professional scan; self-clearing the light without fixing the cause can mask serious problems.
• We provide a complete diagnostic report and transparent recommendations so you understand repair priorities and savings from factory-correct repairs.
• Remember warranty repairs should be performed at certified dealerships to maintain coverage; our team will walk you through options and available discounts.
• To get an accurate diagnosis, schedule appointment or review current service specials.