where is a fuel pressure sensor on 2009 buick lacerne

NO.although, you can access the fuel pump module assembly from the trunk access panel. the FTPS rarely have problems and the tank needs to be dropped to get to it,why are you replacing it? copy and paste the video link below,although this is for the fuel pump module R&R. https://www.youtube.com/watch?v=vK8iGNL2mQM