do you mean the EGR valve? The Exhaust Recirculation Valve? EGR
the egr valve is on the engine, usually on the top near the air filter
The EGR valve on a Dodge Neon is located on the intake manifold. You will find the EGR valve by removing the air intake plenum, the air filter, the air filter housing, and flex hose that leads from the housing to the throttle valve.
Fuel filter.Fuel filter.
fuel filter
Fuel filter.
The EGR valve on a 1996 Nissan Altima is on top of the engine. The air filter box has to be removed to access the valve.
It is just below of the fuel filter
I don't know if any dealerships sell the filter alone. More likley, you'll have to buy the entire EGR modulator. You might be able to get a modulator filter in decent shape at a junk yard. Your best course of action, if your current filter is redeemable, is to clean it using compressed air. If your filter is beyond redemption, then you might try constructing a filter using materials similar to the ones used in your original filter.
* Remove the air intake duct from the throttle body and air filter housing * Detach the vacuum line from the EGR valve.Disconnect the EGR pipe nut * Remove the EGR valve mounting fasteners * Remove the EGR valve and gasket from the manifold.Discard the gasket * With a wire wheel buff the exhaust deposits from the EGR valve mounting surface on the manifold
The egr valve is located on top towards the rear of the engine. It is on the drivers side where the air intake hose comes from the air filter.
* Remove the air intake duct from the throttle body and air filter housing * Position the hoses and wiring harness aside to access the EGR valve * Disconnect the EGR pipe * Remove the EGR valve mounting fasteners * Remove the EGR valve and gasket from the manifold.Discard the gasket * Using a gasket scraper clean the EGR valve mounting surface