Sentra Hatchback Coupe L4-1597cc 1.6L SOHC (E16i) (1987)
Air Induction Valve: Testing and Inspection
Air Injection Valve
1.
Disconnect air injection hose from injection pipe side of valve.
2.
Apply vacuum to air injection control valve using a suitable hand vacuum pump and ensure air flows only on injection pipe side while control
valve is operated.