where is the egr valve located or where can i see a pic of the location. thanks

it is located between the engine (TOP) and the firewall. I just paid $ 500.00 to have mine replaced. It's a dealer only item.

If You Have Not Replaced It Yet You Might Want To Go To The Mercury Villager Forum And Read About A Member Who Saved Hundreds By Just Replacing The Hose That Connects To It.

I just replaced mine, got the part off ebay and it was not that difficult to do. Good luck

i have never seen an egr valve on a quest go bad 99% of the time it's the hose from the bpt valve to the heat tube.

Rockauto.com,about $90 bucks and not all that hard to change.

there is two one just toward middle by the master cylinder and if you follow the steel pipe going into it behind the plentum you will find a split open dry rotted tee hose it costs about $17.00 and by the way ignore the knock sensor code