Question

I have a 2002 GMC Safari 4.3L with code P0449, what is the cost to repair the code? what is the meaning?

Answer 1

P0449 GMC - Evaporative Emission Vent Valve Solenoid Malfunction

Read more: https://www.autocodes.com/p0449_gmc.html

Start by checking the fuel cap and if the cap is OK the next step is to check for vacuum leak. If no leak are found you may have to replaced the EVAP Vent Control Valve.