Question

I have the engine code P0449 on my 2010 Chevrolet Impala LT 3.5L, how do I fix it?

Answer 1

Hi there,

This code indicates an issue with the EVAP system. Here is a list of possible causes. 

P0449 CHEVROLET - Evaporative Emission Vent Valve Solenoid Malfunction
Read more: https://www.autocodes.com/p0449_chevrolet.html