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DTC P0442: EVAP Control System: Notes

NOTE: If DTC P1448 is also present, perform diagnosis for DTC P1448 first. See DTC P1448: EVAP CANISTER VENT CONTROL VALVE  .
NOTE: Using the following diagnostic procedure assumes the presence of a current (hard) DTC or the ability to duplicate the setting of the DTC using DTC confirmation test(s), intermittent recreation procedures or a test drive under conditions stored in freeze frame data. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM. If DTC cannot be duplicated, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.