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Alfa Romeo
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2021
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Stelvio Ti
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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 P2238-00 To P2AE4-00
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DTC Troubleshooting
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P2238-00-O2 Sensor Positive Current Control Circuit Low
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects an a short to ground on the O2 Sensor 1/1 Positive Current Control circuit.