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P04EB: EVAP System Small Leak Detected - Fresh Air Side

System
Emission Controls

What Does P04EB Mean?

P04EB is a diagnostic trouble code indicating: EVAP System Small Leak Detected - Fresh Air Side. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.