P2402 - Evaporative Emission System Leak Detection Pump Control Circuit High
P2402 Description5 hours after the ignition switch is turned OFF, the electric vacuum pump creates negative pressure (vacuum) in the EVAP (Evaporative Emission) system. The Engine Control Module (ECM) monitors for leaks and actuator malfunctions based on the EVAP pressure.
P2402 Information for specific makes
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