Mike's Workshop Manuals
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Jeep
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2018
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Cherokee Limited, 3.2L Eng VIN S, AWD, Automatic T/Case Control
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Repair and Diagnosis
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Engine Performance
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System
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3.2L - DTCS P0072 To P0301
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Diagnosis And Testing
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P0135-O2 Sensor 1/1 Heater Performance
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Set Condition
Set Condition
PCM detects no temperature change in the O2 Sensor Heater element when the heater circuit is active.