Pressure Relief Valve - 2.3L Removal/Installation

Disconnect the negative battery cable. See BATTERY DISCONNECT .
Remove the fuel pressure relief cap.

Fig 1: Removing Fuel Pressure Relief Cap
Courtesy of MAZDA MOTORS CORP.
Relieve the fuel pressure. See FUEL PRESSURE RELIEF .
Remove the fuel pressure relief valve.

Fig 2: Removing Fuel Pressure Relief Valve - With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
To install, reverse the removal procedure.