PO448 were is the vent control valve located

Question

I have reset the code and will come back on after awhile.
I was told not to worry about it. is it easy to change out.
I have seen another post that someone replace it and the code keeps coming back on.

Answer 1

P0448  Evap control system vent control circuit

This is true , the reason is, there is a update procedure that Nissan has produced beside just replacing the vent solenoid,  TSB # NTB07 -058 what this TSB requires is to install a filter kit this prevents a reoccurring code.

Here a small TSB article for the codr that is set,this applys to your vehicle

Classification:
EC07-006

Reference:
NTB07-058

Date:
September 6, 2007

2005 - 2007 XTERRA;
MIL "ON" WITH DTC P04421 P04551 P0456 / P1446

APPLIED VEHICLES:
2005-2007 Xterra (N50)

IF YOU CONFIRM

A MIL "ON" with one or more of the following DTC(S) stored:

^	P0442 / P04551 P0456 / P1446 AND
^	EVAP Vent Control S/V is stuck open or will not seal when operated/closed.

ACTIONS

1.	Replace the EVAP Vent Control S/V.
2.	Install the Filter Kit (refer to the Service Procedure in this bulletin).