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EGRC-BPT Valve

Plug one of two ports of EGRC-BPT valve.
Vacuum from the other port and check for leakage while applying a pressure above 0.981 kPa (100 mm H2o, 3.94 in H2o) from under EGRC-BPT valve.
If a leakage is noted, replace the valve.

Fig 1: Applying Pressure On EGRC-BPT Valve

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