Frequently Asked Questions

What is the most common reason for check engine light on a 1996 Toyota Tacoma?

• Oxygen (O2) sensor failure or aging sensors causing rich/lean readings.
• Loose or damaged gas cap and small EVAP leaks are very common, easy to fix causes.
• Ignition issues — worn spark plugs, bad wires, or coil problems that trigger misfires.
• Minor vacuum leaks or MAF sensor faults that affect fuel trim and emissions.
• We scan and diagnose with OEM tools; dealer repairs often cost less than independent shops and protect long-term value.

What does it mean when the check engine light comes on in a 1996 Toyota Tacoma?

• The light flags the vehicle’s onboard diagnostics detecting a fault — severity ranges from minor to urgent.
• A steady light usually indicates a stored code or an emissions issue; a flashing light denotes an active misfire or severe condition.
• Only a full scan reveals the specific trouble code and root cause; we recommend diagnosis before guessing repairs.
• Bring your Tacoma to Nalley Toyota of Roswell so certified technicians can identify the issue and advise on repairs and savings.

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

• Confirm the gas cap is tight and undamaged — a quick and frequent fix for EVAP codes.
• Note any performance changes: rough idle, stalling, reduced power, or unusual noises.
• A diagnostic scan is the next step; do not simply clear codes — you may mask an ongoing problem.
• Our dealership offers fast scans and transparent estimates; warranty-covered repairs must be completed at a certified dealership.

How much does a check engine light diagnostic cost for a 1996 Toyota Tacoma?

• Typical diagnostic scans range from approximately $80–$150, depending on the depth of testing required.
• At Nalley Toyota of Roswell we often deliver lower overall costs than independent shops by combining accurate diagnosis, OEM parts, and efficient repair workflows.
• If a repair follows diagnosis, diagnostic fees are frequently applied toward the repair cost — delivering immediate savings.
• Remember: repairs covered by warranty must be performed at a certified dealership to preserve coverage and long-term savings.

How long does a check engine light service take?

• A basic VIN scan and code read can take 20–45 minutes; many simple repairs are completed the same day.
• Complex diagnostics or intermittent faults may require 1–3 hours for thorough testing, parts checks, and road evaluation.
• If parts are needed, total time depends on parts availability; we’ll provide a clear timeline and estimate before work begins.
• Dealer service provides efficient turnarounds with factory-trained technicians, improving immediate results and reducing future repair costs.