Test Description

Number(s) below refer to the step number(s) on the Diagnostic Chart .

1. 2. Verifies that the fault is currently present.
2. 3. HO2S transition time, ratio mean volts and switching DTCs set for multiple sensors indicate probable contamination. Before replacing the sensors, isolate and correct the source of the contamination to avoid damaging the replacement sensors.

Fig 1: Identifying Diagnostic Chart (DTC P0133 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)) (1 Of 3)

Courtesy of ISUZU MOTOR CO.

Fig 2: Identifying Diagnostic Chart (DTC P0133 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)) (2 Of 3)

Courtesy of ISUZU MOTOR CO.

Fig 3: Identifying Diagnostic Chart (DTC P0133 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)) (3 Of 3)

Courtesy of ISUZU MOTOR CO.