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SFI System - Diagnosis
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DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1), DTC P0153 Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1)
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O2S Test Result
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O2S Test Result
Refer to
O2S TEST RESULT
for detailed information.
Front HO2S slow slope:
Fig 1: Test Result Chart (Front HO2S Slow Slope)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Front HO2S frequency:
Fig 2: Test Result Chart (Front HO2S Frequency)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002