EGR BACKPRESSURE Transducer

Plug one port of the EGR backpressure transducer (EGR-BPT). See Fig 1 and Fig 2 . Connect hand-held vacuum pump to remaining EGR vacuum port and apply vacuum. Apply pressure to bottom port. Check for leaks. If leak is present, replace BPT valve.

Fig 1: Cross-Sectional View of EGR Backpressure Transducer (EGR-BPT)

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

Fig 2: View of Backpressure EGR System (Typical)

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