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It is on top of the intake manafold, just under the passenger side windshield wiper.
how can I clean the Idle Air Control Valve on a 1998 Nissan Frontier
The engine on a Nissan Quest van may quit when stopped if the ignition time is incorrect, the idle speed is set too low, or the air filter is clogged. Performing a full tune-up will help to resolve these common problems.
In front of the radiator.
you may have trapped air in the cooling system..try bleeding the cooling system
30psi
pcv locate on behind the idle air control. back of engine, it screw in. you need socket to emove it get haynes repair manual #642000
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.
right above the oil filter
Drive it. It will relearn itself. It may take a few drive cycles.
Perhaps a vacuum leak, or clogged throttle body. Perhaps just a worn out engine. When you replaced your idle air control valve, did you remove the battery for at least 10 minutes? It will reset the computer, then start the car up with all the accessories on, let it idle for about 5 minutes. It should relearn how to idle. Perhaps that will help.