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Fiat
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2017
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124 Spider Classica, 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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P0140-00-O2 Sensor 1-2 Signal Inactive
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the oxygen sensor signal switches from lean to rich less than 16 times within 20 seconds during monitoring.