LEMON Manuals
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Wrangler Rubicon, Automatic Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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3.6L - DTCS P000A To P0155
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DTC Troubleshooting
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P0140-O2-Sensor-1-2-Signal-Inactive
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Set Condition
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Set Condition
The Oxygen Sensor 1/2 signal switches from lean to rich less than 16 times within 20 seconds during monitoring.