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2008 Chevrolet Avalanche 3.5L with engine code P0449 and engine light ON

Vehicle: 2008 Chevrolet Avalanche 3.5L

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Hi there,

This code is for the evap system vent control solenoid. This is the solenoid on the charcoal canister. You can test it by removing it, then adding a power wire and then a ground. When you hit it with the ground it should make a click type of noise. If it doesn't it's frozen and needs to be replaced.

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