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well I don't know where to start from.. I have a chevy Silverado 2008 and I have a code p0446, I had a recall on the emissions and I get less mileage and don't no why. is this a new recall or not?

Vehicle: 2008 Chevrolet silveroda 5.4 vortec v8

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HI there

This is not a recall item. There is however a TSB for the code and concern on your model. The vent control valve is located under the truck on the cross member near the charcoal canister on the frame rail.

P0446 CHEVROLET - Evaporative Emission Vent System Performance

Read more: https://www.autocodes.com/p0446_chevrolet.html

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