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No. 3 Test, Code 21, O2 Sensor Circuit (V6)

Fig 1: No. 3 Test, Code 21 Schematic, O2 Sensor Circuit (V6)

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Fig 2: No. 3 Test, Code 21 Flow Chart, O2 Sensor Circuit (V6)

Fig 3: No. 3 Test, Code 21, Testing O2 Sensor Circuit (V6)