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jay

jay 4/20/2012

2005 Chevrolet Tahoe Z71 8 Cyl 5.30L

Engine

check engine light on with code PO449

1 Answer


CVO

CVO 4/20/2012

Trouble Code: P0449


EVAP Vent Solenoid Control Circuit Malfunction

Possible Causes:



Vent solenoid control circuit is open or shorted to ground
Vent solenoid control circuit is shorted to system power (B+)
Vent solenoid power circuit is open (test the ENG1 fuse)
Vent solenoid is damaged or has failed
PCM has failed

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