Specified Reappearance Pattern

Run engine at idle condition, at normal operating temperature.
Keep at idle for more than 10 seconds, with vehicle stopped
Drive vehicle at just over 10 MPH. Accelerate quickly to more than 30 MPH (must reach 30 MPH within 10 seconds of starting acceleration).
Within 30 seconds, decelerate safely to a complete stop. See Fig 1 .
Repeat above procedure 2) through 4) several times.

Fig 1: Code No. 32 Acceleration Chart

Courtesy of ISUZU MOTOR CO.

Fig 2: Code No. 32 Flow Chart, EGR System Malfunction (1 of 3)

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Fig 3: Code No. 32 Flow Chart, EGR System Malfunction (2 of 3)

Courtesy of ISUZU MOTOR CO.

Fig 4: Code No. 32 Flow Chart, EGR System Malfunction (3 of 3)

Courtesy of ISUZU MOTOR CO.