Frequently Asked Questions

How much does a check engine light diagnostic cost for a 1993 Toyota Paseo?

• Diagnostics at Nalley Toyota of Roswell begin with a full scan and inspection performed by factory-trained technicians using Toyota-grade tools.
• Our diagnostic fees are competitive and often cost less than independent shops when you factor in accurate diagnosis, correct repairs, and fewer repeat visits.
• Immediate savings come from precise identification of the issue; long-term savings come from avoiding misdiagnoses that lead to costly component replacements.
• If a repair is covered under warranty, it must be completed at a certified dealership to preserve coverage and ensure proper parts and procedures.

What does it mean when the check engine light comes on in a 1993 Toyota Paseo?

• A check engine light signals the vehicle’s onboard computer has detected an issue — from minor sensor faults to engine misfires that can harm emissions systems.
• Common triggers include oxygen sensors, EVAP leaks, misfires, or catalytic converter degradation; each has different urgency and consequences.
• Early diagnosis at Nalley Toyota of Roswell reduces repair costs and prevents further damage; our technicians confirm codes and inspect associated systems.
• Warranty repairs must be performed at a certified dealership to ensure parts compatibility and maintain coverage.

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

• Start with the basics: ensure the gas cap is tight and undamaged — a loose cap commonly triggers an EVAP code.
• Next, bring the vehicle to a certified dealership for a proper scan; Nalley Toyota of Roswell uses OEM scanners to read pending and stored codes.
• Our factory-trained technicians will cross-check codes with live-data and inspect related components to avoid unnecessary part replacement.
• Choosing dealership service often costs less overall due to accurate diagnosis, correct repairs, and warranty protection when applicable.

What is the most common reason for check engine light on a 1993 Toyota Paseo?

• The most frequent causes are oxygen sensor failures, EVAP system leaks (often a loose gas cap), and ignition misfires.
• Oxygen sensors and EVAP faults affect fuel economy and emissions; unresolved misfires can damage the catalytic converter.
• Nalley Toyota of Roswell offers thorough inspections that identify root causes quickly, reducing repeated visits and long-term costs.
• Remember: repairs covered by warranty must be done at a certified dealership to maintain coverage and ensure proper repair procedures.

How long does a check engine light service take?

• Typical diagnostic scans and initial inspections are completed within 30–60 minutes, depending on vehicle condition and code complexity.
• Minor repairs such as gas cap replacement or sensor swaps may be same-day; more complex repairs can require additional parts and a longer timeframe.
• At Nalley Toyota of Roswell we prioritize accurate diagnosis to avoid unnecessary repairs — this saves time and money in the long run.
• If warranty work is required, performing repairs at our certified dealership ensures coverage and correct procedures, protecting long-term value.