Air/fuel ratio sensor (FA20): Installation

Installation of air/fuel ratio sensor
1. Install the air/fuel ratio sensor to the exhaust manifold.
  Standard value: T=21N.m {214kgf.cm} {15.5ft.lbf}
2. Connect the connector for air/fuel ratio sensor and the 2 clamps.
  
  Fig 1: Locating Air/Fuel Ratio Sensor Mounting Nut
  Courtesy of SUBARU OF AMERICA, INC.
Connection of the battery ground terminal
Standard value: T=6.0N.m {61kgf.cm} {4.4ft.lbf}
Leak check of exhaust gas (Refer to COOLING SYSTEM (FA20) )