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Jeep
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2022
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Gladiator Mojave, Part Time T/Case Control, Standard Trans
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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3.6L (GPEC 5) - DTCS P0113 To P0135
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DTC Troubleshooting
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P0128-Thermostat Rationality
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Set Condition
Set Condition
The predicted coolant temperature reaches the target threshold before the actual coolant temperature and the PCM detects that the actual engine coolant temperature is too far below what is acceptable for a good thermostat.