Frequently Asked Questions

What is the most common reason for check engine light on a 1995 Toyota Celica?

• Most often the light signals an emissions or ignition issue — common causes include worn spark plugs, failing oxygen sensors, or a small vacuum/evap leak.
• These problems are usually caught early with an OBD-II scan and simple repairs can prevent bigger expenses like catalytic converter damage.
• At Nalley Toyota of Roswell our factory-trained technicians use OEM parts and diagnostic tools to identify the true cause quickly, often costing less than independent shops while delivering better long-term value.
• Remember: any repairs covered under warranty must be performed at a certified dealership to keep coverage valid.

What does it mean when the check engine light comes on in a 1995 Toyota Celica?

• The light is a general indicator that the vehicle’s engine management or emissions system detected a fault — it can range from minor to urgent.
• Common signals include sensor failures, misfires, fuel trim issues, or evaporative system leaks; an OBD-II code points technicians to the subsystem involved.
• Prompt diagnosis at our dealership helps prevent further damage and can save money by avoiding costly downstream repairs.
• For warranty-covered issues, repairs must be completed at a certified dealership to preserve benefits and ensure correct procedures.

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

• Start with simple checks: ensure the gas cap is tight and undamaged — an evaporative leak from a loose cap is a frequent, inexpensive fix.
• If the cap is secure, have a professional scan the vehicle’s OBD-II system so codes can be read and prioritized accurately.
• Bringing the vehicle to Nalley Toyota of Roswell gets you factory-standard diagnostics and a clear repair plan; dealership service often reduces immediate and long-term costs compared with patch repairs.
• Keep in mind any warranty repairs must be performed at a certified dealership to remain valid.

How much does a check engine light diagnostic cost for a 1995 Toyota Celica?

• Diagnostics typically range from about $80 to $150 depending on complexity and time to trace the fault.
• At Nalley Toyota of Roswell we often waive or credit the diagnostic fee when you authorize repairs with us — delivering immediate savings while ensuring factory-level work.
• Because our technicians are factory-trained and we use OEM parts, choosing dealership service can yield lower long-term costs and fewer repeat visits than makeshift fixes.
• If a repair is covered under warranty, it must be completed at a certified dealership to maintain coverage and guarantee proper procedures.

How long does a check engine light service take?

• Simple diagnostics and minor fixes can often be completed within 1–3 hours; more complex faults or parts orders may require a day or more.
• Our service team provides clear time estimates after the initial scan, and we communicate any additional needs before proceeding.
• Using Nalley Toyota of Roswell frequently saves time overall because we stock common parts, rely on factory diagnostic procedures, and reduce the chance of follow-up visits.
• For warranty repairs, scheduling at a certified dealership ensures the work is performed to manufacturer standards and protects your coverage.