Re: 1995 Grand Marquis, two questions
You have the SOHC 4.6L V8. EGR valve is somewhat easy to swap, but I don't have any pictures right off. I'll dig tonight and see if I can find some for you. Better yet- when you buy the valve, get a Haynes' or Chilton manual on the car and it'll show you what it looks like. Should only be two bolts, a wiring harness, and a vacuum line running to it and it should be located on the back side of the throttle body, which is in the center of the intake.