Diagnostic Aids

With engine running and EGR off, EGR gas temperature should be close to manifold air temperature. With EGR on, EGR gas temperature should be 212-482°F (100-250°C).

Fig 1: Code 32 - Schematic

Courtesy of ISUZU MOTOR CO.

Fig 2: Code 32 - Diagnostic Flowchart

Courtesy of ISUZU MOTOR CO.