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P1444 Diagnostic Trouble Code Discussion for May 2009

EVAP Canister Purge Volume Control Valve Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1444
Help Request Posted
2003 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28Y03
P1444: EVAP Canister Purge Volume Control Valve Circuit Malfunction. this code from what i understand sets when the ecm detects purge flow with the purge solenoid valve closed. tested the purge solenoid and it is not jammed open and holds vacuum when switched on just as it should.. looked at the pressure voltage from the evap p...
May 14, 2009