on top of the throttle body
It is in the valve cover.
The 1989 Mercury Sable 3.0 liter engine EGR valve is located on the firewall. The valve will be on the passenger side of the firewall.
the oil pressure switch is located in the rear of the engine compartment on the drivers side under the valve cover
The pcv valve on a 1989 Camaro is located in the top of the valve cover. It plugs into a rubber grommet and is easily replaceable.
No it sits in a housing located on the firewall
where is the EGR valve on a 1989 mazda b2200
Not sure about the 1989, but 1990-1993 it goes into the valve cover. Look for a hose running to the valve cover and the PCV valve should be what is at the end of it pushed into the valve cover.
remove cowling it is on the passenger side valve cover
Looking at the front of the motor, the egr valve is located on the right lower side of the carburetor.
The Exhaust Gas Recirculation Valve on a 1989 S10 is located in the valve cover. It is toward the front of the motor.
intake manifold