Question

Where is valve C located on a 2002 Nissan Altima 2.5s with a p0444 code?

Answer 1

HI there

This code is for the purge control valve, this is mounted under the hood next to the evap system test port.

There is also a factory service bulletin for this code and model.

Answer 2

P0444 NISSAN - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Read more: https://www.autocodes.com/p0444_nissan.html