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2007
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Grand Cherokee Laredo, 3.0 M
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Repair and Diagnosis
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Engine Performance
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System
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Diesel - DTCS P0100 To P0197
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P0135-O2 Sensor 1/1 Heater Performance
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Set Conditions
Set Conditions
Set Condition:
The ECM detects an implausible voltage on the (K99) O2 1/1 Heater Control circuit for 2.0 seconds.