For a detailed desrciption of how to replace with pics check out: http://macgp.clubgp.com/howto/engine/pcv/gt/pcv.html Hope this helps. G
The PCV valve is located under the MAP sensor on a 1990 Pontiac Grand Prix. The MAP sensor is in the upper plenum.
The EGR valve on a 2003 Grand Prix 3.1 Liter is located in the rear of the engine on the driver's side. The EGR valve will be connected to the exhaust pipe and is usually located near the end of it.
The heater control valve on your Pontiac Grand Prix is located behind the kick plate, on the passenger side of the passenger compartment. The heater control valve is near the heater core box.
Where is idle air control valve located on 2003 Pontiac Grand Prix GT, 3.8 liter 6 cylinder?
http://macgp.clubgp.com/howto/pcv/pcv.html
The EGR valve is located on the rear drivers side of the engine on top, right behind the throttle body
It is attached to the valve body inside of the transmission.
It is located on the drivers side of the engine right next to the crank case..........and I think that you mean EGR valve.
Where is the shift solenoid located on a 2004 pontiac grand prix
For pics and instructions for the Grand Prix GT check out. http://macgp.clubgp.com/howto/engine/pcv/gt/pcv.html . "G" It is in the intake behind the throttle boly.
On a 1990 Pontiac Grand Prix, the PCV (positive crankcase ventilation) valve is typically located on the valve cover. It is often found on the driver's side, secured in a grommet or directly in the cover. To access it, you may need to remove the air cleaner assembly for better visibility and ease of replacement.
Phontiac Grand Prix