This codes po442 and po449 came up on the diagnostic check on a chevy silverado 1500 4.3 2010 model

February 2021 1 32 Report

This codes po442 and po449 came up on the diagnostic check on a chevy silverado 1500 4.3 2010 model

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P0442 Chevrolet Evaporative Emission Control System Leak Detected Small... http://www.autocodes.com/p0449_chevrolet.html

Looks like you need a vent solenoid . EVAP Code P0449

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