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how can I clean the Idle Air Control Valve on a 1998 Nissan Frontier
On or near the engine . The engine is located under the hood.
It is located inside the evaporator case.
the PCV on your 2003 Frontier S/C is on the passangers side Rocker cover(valve cover)
The PCV valve, on your Nissan 3.3 liter, is located on the side of the air filter housing. The valve should be labeled for easy identification.
The EGR valve on a Nissan Frontier is on the drivers side of the engine. It is near the firewall, under the intake pipe.
The idle air control valve on a 05 Nissan Altima is located on the vehicle power pin. In order to check it, you will need to connect an OHM meter.
it will be on the intake manifold.
It's in the intake one of the bigger hoses that go in. You have to use a wrench to remove it.
The PCV valve on a 2000 Nissan Frontier 2.4 is on the top back part of the engine. It is attached to the intake manifold via a hose.
the air intake valve is located on the side if your air cleaner/air box.
The IAC valve is mounted on the upper intake plenum (manifold)