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2023
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Cherokee Altitude LUX
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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2.4L - DTCS P0133 To P025B
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DTC Troubleshooting
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P0141-O2 Sensor 1/2 Heater Performance
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Set Condition
Set Condition
The PCM detects no O2 sensor output when the O2 heater is powered up.