Frequently Asked Questions

What is the first thing to check when the check engine light comes on in a 2023 Toyota Camry Hybrid?

• Check the fuel cap: a loose or damaged gas cap is a common, inexpensive cause and can trigger the light.
• Look for obvious signs: low oil, coolant leaks, or unusual smells can point to immediate needs.
• Note vehicle behavior: reduced power, rough idle, or stalling helps technicians prioritize diagnostics.
• Bring the vehicle to Nalley Toyota of Roswell if the cause isn't obvious — our factory-trained technicians use OEM scanners and ensure warranty compliance.
• Repairs covered by warranty must be performed at a certified dealership to preserve coverage and deliver long-term savings.

How long does a check engine light service take?

• Typical diagnostic scans take 30–60 minutes; a thorough inspection and road test may extend the visit to 1–2 hours.
• If parts or deeper diagnostics are needed, repairs can take from a few hours to a day depending on availability.
• We prioritize transparent timelines and provide immediate estimates so you can plan your day.
• Nalley Toyota of Roswell often costs less than independent shops when you factor immediate diagnostics, proper repairs, and factory-trained expertise.
• Warranty work must be done at a certified dealership — we handle documentation and parts to protect your coverage and long-term value.

How much does a check engine light diagnostic cost for a 2023 Toyota Camry Hybrid?

• Diagnostic fees commonly range from approximately $80 to $150, depending on the depth of testing required.
• If repairs are needed, costs vary: simple fixes like a gas cap or sensor are low-cost, while components such as catalytic converters are higher.
• Nalley Toyota of Roswell often delivers lower overall cost than independent shops because we provide accurate diagnostics and right-first-time repairs, avoiding repeated visits.
• Warranty-covered repairs must be completed at a certified dealership to remain valid; we handle claims and use genuine Toyota parts for reliable long-term savings.
• We provide clear estimates before work begins and offer online scheduling to save you time: Service Specials or Service Specials.

What does it mean when the check engine light comes on in a 2023 Toyota Camry Hybrid?

• It signals that the vehicle’s on-board diagnostics detected an emission, engine, or powertrain issue — severity ranges from minor to urgent.
• Common causes include oxygen sensor faults, fuel trim issues, misfires, or evaporative system leaks; each has different repair implications.
• Immediate dealer diagnosis ensures accurate fault codes and prevents unnecessary parts replacement, saving you money over time.
• Nalley Toyota of Roswell uses OEM scanners and factory-trained technicians to ensure repairs preserve warranties and long-term vehicle health.
• If a light is accompanied by poor performance or a flashing indicator, bring the vehicle in right away to avoid further damage and higher repair costs.

What is the most common reason for check engine light on a 2023 Toyota Camry Hybrid?

• Faulty oxygen sensors and catalytic efficiency codes (for example, P0135 or P0420) are frequent causes and affect emissions and fuel economy.
• Evaporative emissions leaks, often a loose gas cap or small hose failure, are also very common and typically inexpensive to fix.
• Ignition misfires and fuel trim issues can appear next and require timely repairs to avoid catalytic converter damage.
• Choosing Nalley Toyota of Roswell often reduces total ownership cost: proper diagnostics and genuine parts prevent repeat issues and protect warranty coverage.