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P0449 Diagnostic Trouble Code Discussion for October 2012

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2004 Hyundai Elantra GT 2.0L MIL Lamp on VIN: KMHDN56DX4
P0449: EVAP emission control system vent valve/solenoid circuit. ... stumped! Vehicle came in with MIL illuminated.DTC P0449 was active in PCM/ECU. Tested canister vent valve, which is normally closed. tested no good so I replaced it with new component. Checked for power and ground at vent valve. Valve is getting power but ...
October 03, 2012