Code result
P04EA
EVAP System Small Leak Detected Fuel Tank Side
Moderate severity
What it means
The EVAP leak diagnostic has detected a small leak on the fuel tank side of the system - typically a hose, gasket, fuel cap, or fuel sender flange that does not seal completely. Vapor escapes during pressure or vacuum tests.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Fuel cap not sealing properly
highOne of the most commonly reported causes for this code — check this first.
Vapor hose porous or cracked
mediumA plausible cause — test and verify before replacing parts.
Related help
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