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P2421

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P2421 OBD-II Trouble Code: Evaporative Emission System Vent Valve Stuck Open
P2421 P2421 Code Definition The P2421 fault code indicates the vehicle’s on-board computer has detected either the vent valve or vent valve control circuit is stuck open in the evaporative (EVAP) control system, which recovers any raw fuel that may...

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