Frequently Asked Questions

How long does a check engine light service take?

• Most diagnostics at Nalley Toyota of Roswell take 30–90 minutes, depending on symptoms and live-data checks.
• If further inspection or road testing is needed, you may leave the vehicle and we will contact you with a clear estimate and timeline.
• Our factory-trained technicians use OEM tools for faster, more accurate diagnosis, often reducing repeat visits and overall downtime.
• Choosing our dealership often costs less than independent shops when you factor in accurate repairs, genuine parts, and long-term reliability.
• Remember: repairs covered under warranty must be completed at a certified dealership to preserve coverage and ensure proper documentation.

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

• Start with simple items: a loose or missing gas cap can trigger the light and is a quick fix you can verify yourself.
• If the cap is secure, our technicians will read the vehicle’s codes with an OBD-II scanner to identify the system affected.
• We then inspect sensors, wiring, and connectors for obvious faults before recommending repairs to avoid unnecessary parts replacement.
• Using a certified dealership ensures diagnostics feed directly into service records and warranty tracking for future coverage.
• Visit our service specials page for potential savings: https://www.toyotaofroswell.com/specials/service.htm.

What does it mean when the check engine light comes on in a 1992 Toyota Land Cruiser?

• It indicates the engine control module has detected a fault in emissions, ignition, fueling, or related systems.
• Causes range from minor (evaporative system leaks, sensor faults) to serious (misfires, catalytic converter damage).
• Our technicians will pull stored codes, interpret live data, and explain whether immediate action is required.
• Repairing problems early at our dealership typically yields immediate and long-term savings versus intermittent fixes elsewhere.
• Warranty-covered repairs must be performed by a certified dealership to maintain coverage and parts authenticity.

What is the most common reason for check engine light on a 1992 Toyota Land Cruiser?

• Common causes include oxygen sensor failures, ignition misfires, and evaporative system leaks (loose gas cap or EVAP valve).
• Oxygen sensor or MAF faults degrade fuel economy and emissions; left unchecked they can damage the catalytic converter.
• Our diagnostics pinpoint the root cause to avoid unnecessary parts replacement and to protect long-term vehicle value.
• We often deliver better value than independent shops by combining accurate diagnosis with OEM parts and factory-trained technicians.
• For warranty concerns, remember repairs must be completed at a certified dealership to remain covered.

How much does a check engine light diagnostic cost for a 1992 Toyota Land Cruiser?

• Diagnostic fees vary; most standard code reads at our dealership are competitively priced and clearly quoted before work begins.
• If repairs follow, our pricing structure and genuine parts often produce immediate and long-term savings versus repeated independent repairs.
• We provide written estimates and explain options, including repair urgency, part choices, and warranty implications.
• Certified warranty repairs must be performed at a certified dealership—this protects your coverage and resale documentation.
• Check current offers or schedule service here: https://www.toyotaofroswell.com/specials/service.htm.