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Re: Impala P0449
I have one in the bay right now with a P0449. After commanding the vent valve a few times it stopped moving and I was able to verify strong pwr/gnd. Im installing an updated vent valve kit right now Login to read more. 
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| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2007 Chevrolet Suburban 1500 Z71 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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