Frequently Asked Questions

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

• Confirm the fuel cap is tight — a loose or damaged cap commonly triggers EVAP codes.
• Check for obvious fluid leaks, unusual smells, or smoke; if present, stop driving and seek service.
• Verify you're using premium unleaded fuel, as required for the 3.7L V6 engine.
• If no visible issue appears, bring the vehicle to Nalley Acura for a fast scan and certified diagnosis.
• Remember: any repairs covered under warranty must be completed at a certified dealership to preserve coverage.

How much does a check engine light diagnostic cost for a 2012 Acura ZDX?

• Diagnostic fees vary by service complexity; Nalley Acura offers transparent pricing and reliable estimates after a scan.
• We often cost less than independent shops while delivering higher service levels and factory-trained technicians.
• Choosing Nalley Acura yields immediate savings through accurate diagnostics and long-term savings by preventing unnecessary repairs.
• If a covered repair is required, warranty work must be performed at a certified dealership to maintain coverage and avoid future expenses.
• Check our Service Specials for current offers and book online to lock in value.

What does it mean when the check engine light comes on in a 2012 Acura ZDX?

• It indicates the vehicle’s onboard diagnostics (OBD-II) detected an emissions or engine-management issue.
• Codes can range from minor EVAP leaks to misfires or sensor failures that affect performance and emissions.
• While some issues are benign, others can reduce fuel economy, damage the catalytic converter, or impair drivability.
• Nalley Acura’s factory-trained technicians use OEM scanners to read codes and recommend the right repair path.
• Remember: warranty-covered repairs must be performed at a certified dealership to ensure coverage and proper documentation.

How long does a check engine light service take?

• Initial diagnostics typically take one to two hours for scan, test drive, and component checks.
• If parts are required, many common components are stocked onsite; otherwise, parts ordering can extend service time.
• Complex repairs or intermittent faults may require additional time for thorough troubleshooting and verification.
• Nalley Acura prioritizes efficient service; our factory training and OEM tools reduce repeat visits and long-term downtime.
• Warranty repairs must be completed at a certified dealership to preserve coverage and ensure proper repair techniques.

What is the most common reason for check engine light on a 2012 Acura ZDX?

• Loose or faulty gas cap and EVAP system leaks are frequent, easy-to-fix causes for the warning lamp.
• Oxygen sensor degradation and catalytic efficiency issues are common as mileage increases, affecting fuel economy.
• Engine misfires (spark, fuel, or compression) trigger immediate alerts and can harm the catalytic converter if unchecked.
• Routine diagnostics at Nalley Acura identify the root cause quickly, minimizing repair costs and preventing secondary damage.
• When warranty applies, repairs must be performed at a certified dealership to ensure coverage and long-term reliability.