It is one of those two solenoids, but I can't remember which off the top of my head. Follow the rubber hose coming off the bottom of the solenoids, and see which one leads back to the EGR (below the throttle body).onefast wrote:The only quess I have is by the transmition dipstick. manual shows 1 I have 2. One sensor has a green colored electrical connection other is black. Any suggestions on replacing the part or looking for other problems first. thank you