Where is the PCV valve located on a 1990 Nissan Stanza XE?
you can see the valve on the fuel injector. it is on the passenger side of the car and to the front of the injector.
located under dash board, behind radio You will have to remove the trim next to the gas pedal and similar trim near the passenger foot well to see it. Removal of the passenger side trim will allow you to access the diagnostic control screw and see the diagnostic light. It's under the passenger seat.