Code 27 - Sub-Oxygen Sensor Circuit (CALIF.)

Fig 1: Code 27 Flow Chart - 1 Of 2 (SC300 Calif.) Sub-Oxygen Sensor Circuit

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Fig 2: Code 27 Flow Chart - 2 Of 2 (SC300 Calif.) Sub-Oxygen Sensor Circuit

Fig 3: Code 27 Diagnostic Trouble Code Det. Test (SC300 Calif.) Sub-Oxygen Sensor Circuit