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Cherokee High Altitude, Automatic T/Case Control
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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2.0L - DTCS P0088 To P0223
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DTC Troubleshooting
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P0140-O2 Sensor 1/2 Signal Inactive
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Notes
P0140-O2 Sensor 1/2 Signal Inactive: Notes
For a complete CATALYST MONITOR SYSTEM wiring diagram,
refer to the appropriate Wiring Information
.