WARNING: This page is about a different car, the 2005 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: LOCKRING REMOVER/INSTALLER #9340
Courtesy of DAIMLERCHRYSLER CORP.
Fig 2: TEST KIT, FUEL PRESSURE #5069
Courtesy of DAIMLERCHRYSLER CORP.
Fig 3: ADAPTERS, FUEL PRESSURE TEST - #6539 AND/OR #6631