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P0449 Diagnostic Trouble Code Discussion for January 2011

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2007 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNFK13067
P0449: EVAP Vent Solenoid Control Circuit Malfunction. Got one in today that has us a little baffled. 2007 Chevrolet Tahoe 5.3 came in with a check engine light on. Checking the code I come up with a PO449 Evap. Vent Solenoid Control Circuit. Checked connections at the solenoid, fuse for circuit is good and have b...
January 04, 2011
2009 Hyundai Sonata GLS 2.4L MIL Lamp on, Hard to refuel VIN: 5NPET46C69
P0449: Charcoal Canister Vent Valve. I'm not very familiar with the Hyundai emission systems. Alldata says its either the Vent Valve or the canister filter clogged both have been replaced. Checked wiring and connectors. Not sure where to go from here. Thanks for your input.
January 27, 2011