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2018
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Grand Cherokee Trackhawk
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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6.2L - DTCS P000B To P0140
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DTC Troubleshooting
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P0135-O2 Sensor 1/1 Heater Performance
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Set Condition
Set Condition
No temperature change is detected in the O2 Sensor Heater element when the heater circuit is active.