Mike's Workshop Manuals
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Jeep
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2023
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Compass Red
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P2174 To P2461
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DTC Troubleshooting
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P2457-Exhaust Gas RECIRCULATION Cooling System Performance
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Set Condition
Set Condition
When the difference between the PCM modeled temperature and the EGR Temp Sensor is more than 60°C (140°F) for 32.0 seconds.