EGR Control System

See appropriate EGR CONTROL and EGR FUNCTION diagnostic charts.

Apply vacuum to EGR valve using a hand-held vacuum pump. EGR control valve should be fully open. Replace EGR valve if operation is not as specified. See Fig 1 .

Fig 1: Cross-Sectional View of EGR Valve (Typical)

Courtesy of NISSAN MOTOR CO., U.S.A.