What is a PO 449 code on a '08 Silverado?
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2008 Chevrolet Silverado 1500
Question: Diagnostic Code PO449
PO 449 would be related to the Evap system, vent solinoid control curcuit.
This may be a soft code (Symptom but not the problem) not a hard code (one of the actual problems). One should properly diagnose this at a qualified repair facility to get a more accurate dianoses.
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1) Willowbrook (281) 890-9400 3) The Woodlands (281) 465-9410
2) Champions (281) 370-7900 4) Cypress (281) 304-7833