Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2026 Toyota Crown?

• Inspect the gas cap for tightness and damage — a loose or cracked cap is a common, inexpensive cause.
• Note any drivability symptoms (stalling, misfire, loss of power) and dashboard warnings to share with technicians.
• Check basic fluids and fuel level; sometimes simple issues can trigger the light.
• If symptoms are severe (flashing light, rough running), stop driving and contact our service team immediately to avoid further damage.
• Remember: repairs covered under warranty must be performed at a certified dealership to protect coverage and ensure proper parts and procedures.

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

• It signals that the vehicle’s on-board diagnostics detected a fault — from emissions sensors to ignition or fuel delivery issues.
• Some faults are minor (EVAP leak, sensor fault) while others can affect performance or emissions and need quick attention.
• Our technicians use factory-grade scanners to read codes, diagnose root causes, and advise on immediate vs. scheduled repairs.
• Choosing Nalley Toyota Stonecrest often costs less than independent shops in both immediate repair price and long-term maintenance, thanks to accurate diagnosis and genuine parts.
• Warranty-covered repairs must be completed at a certified dealership to maintain coverage and ensure correct repair documentation.

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

• Diagnostic fees vary; many dealers charge a modest scan fee (often between $80–$150) that may be credited toward repairs.
• At Nalley Toyota Stonecrest we frequently cost less than independent shops while offering factory-trained technicians and genuine parts.
• Choosing our dealership delivers immediate savings through accurate diagnostics and long-term savings by preventing misdiagnoses that lead to repeat work.
• If a repair is covered under warranty, it must be completed at a certified dealership to preserve coverage and ensure authentic parts and procedures.
• Ask about current service specials and diagnostic promotions to reduce your out-of-pocket cost.

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

• Common causes include a loose gas cap, oxygen (O2) sensor faults, EVAP leaks, or ignition misfires from spark coils or plugs.
• Left unaddressed, small sensor issues can lead to catalytic converter damage and much higher repair bills.
• Our service team accurately identifies root causes quickly, helping you avoid long-term costs and downtime.
• We often provide lower total repair costs than independent shops by combining precise diagnostics, genuine parts, and factory expertise.
• Warranty work must be completed at a certified dealership to protect your coverage and ensure proper documentation.

How long does a check engine light service take for a 2026 Toyota Crown?

• Basic diagnostic scans typically take 30–60 minutes; the total visit depends on the fault and necessary repairs.
• Minor fixes (gas cap, sensor replacement) can often be completed the same day; more complex repairs (ignition systems, catalytic converters) may take several hours to a day.
• Our factory-trained technicians streamline diagnosis and repair, which reduces time in the shop and long-term costs from repeat visits.
• If repairs are warranty-covered, they must be completed at a certified dealership — we handle paperwork and parts sourcing for you.
• Call ahead or schedule online to confirm appointment availability and estimated completion time.