P0442: EVAP System Leak Detected (Small Leak)
RepairSmith
APRIL 25, 2024
Engine code P0442 stands for “Evaporative Emission Control System Leak Detected (Small Leak).” It’s a diagnostic trouble code indicating problems with the Evaporative Emission Control (EVAP) System. It prevents fuel vapor from escaping into the atmosphere via the fuel tank or fuel system and directs it to the engine to burn off.
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