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I got the engine code P0449 on my 2007 Buick LaCrosse, what is the meaning?

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I got the engine code P0449 on my 2007 Buick LaCrosse, what is the meaning?

Vehicle: 2007 Buick LaCrosse

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Hi there,

This code is for the vent control solenoid on the evap system. Most of the time the solenoid is the problem, however it can also be caused by other leaks in the evap system as well.
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P0449 BUICK Code - Evaporative Emission Vent Valve Solenoid Malfunction
Read more: https://www.autocodes.com/p0449_buick.html

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