I Have a 2005 chevrolet Silverado 1500 3.5v8 showing A code po449 need to know what part I need for it.evaporativeEmission system vent control circuit Intermittent.
Country: United StatesMake: chevey 1500Model: silverardoYear: 2005Engine: 3.5v8
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This is actually a "known problem" and GM has issued an updated version of the EVAP canister vent valve assembly, as well as a "kit" that will re-locate the filter box. You'll need to obtain the kit which will contain everything you need to correctly repair this, as well as instructions for the re-location. 2004-2007 Model Year (Use Service Kit P/N 19152349)
It's located under the vehicle, on the driver's side, towards the rear.
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