Where is the egr valve located on a 1997 Nissan altima?
The EGR valve in a 1997 Nissan Altima is located at the top of the motor in a position near the firewall. The EGR valve is held in place by a vacuum line and 2 nuts.
The PCV valve is located at the rear of the engine under the intake manifold. It screws into a metal box separate from the engine and about an inch behind it. There is no way to get a wrench onto it. You can find the valve by following a vacuum hose that comes from a rail attached by the bolts that hold the manifold to the head. I don't know how Nissan techs get the…
Fuel pump is located inside the gas tank. Fuel filter is located somewhere between the tank and the engine. Answer where is the fuel fillter on a 2002 Nissan altima? The fuel pressure regulator on the 97 is located close to the fuel rail. Can't remember exact location, but if you are standing in front of the car looking at the engine, the pressure regulator is on the left hand side of the fuel rail.