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Fiat
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2018
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124 Spider Lusso, Automatic Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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1.4L - DTCS P0016-00 To P0271-00
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DTC Troubleshooting
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P0138-00-O2 Sensor 1-2 Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects a voltage greater than 5.0 volts on the signal or reference ground circuits.