Engine Diagnostics in National City, CA
Check Engine Light Diagnostics in National City
If your check engine light is on, your vehicle is telling you something is wrong.
At MCI Auto Repair, we provide advanced engine diagnostics in National City to quickly identify and fix the problem.
Our Diagnostic Process
Scan vehicle computer system
Identify stored error codes
Perform system testing
Provide clear repair recommendations
We don’t just clear codes — we fix the root cause.
What Does the Check Engine Light Mean?
Your vehicle’s computer monitors engine performance and emissions systems. When it detects a problem, it stores a diagnostic trouble code (DTC).
Common causes include:
Faulty oxygen sensor
Loose gas cap
Misfires
Catalytic converter issues
Sensor failures
Avoid Bigger Repairs
Driving with the check engine light on can:
Reduce fuel efficiency
Damage components
Cause smog test failure
Address it early to avoid major repairs.
Schedule Engine Diagnostics Today
Call MCI Auto Repair in National City to schedule professional engine diagnostics.