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Alfa Romeo
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2019
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Giulia Base, AWD
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P0112-00 To P024B-00
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DTC Troubleshooting
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P0138-00-O2 Sensor Circuit High Voltage Bank 1 Sensor 2
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When Monitored
When Monitored
With the engine running.
Downstream O2 Sensor is operating normally.
The O2 Sensor 1/2 circuit low DTC is not active.