P0442 OBD2 Code Explained: Causes, Symptoms & Fixes for EVAP System Leak
What Is OBD2 Code P0442? The OBD2 code P0442 stands for “Evaporative Emission Control System Leak Detected (Small Leak)”. This diagnostic trouble code (DTC) is triggered when the vehicle’s onboard computer, known as the Powertrain Control Module (PCM), detects a minor leak in the Evaporative Emission Control (EVAP) system. Understanding the EVAP System The EVAP …
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