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Jeep
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2018
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Compass Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS P152E To P257E
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DTC Troubleshooting
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P1609-Internal Control Module Engine Oil Temperature Performance
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Set Condition
Set Condition
If a rough idle is detected, the accelerator pedal was depressed during cranking and the Dynamic Crankshaft Fuel Control monitor detects engine roughness above the calibrated threshold for a calibrated time.