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Jeep
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2009
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Commander Overland, 4WD
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Repair and Diagnosis
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Engine Performance
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System
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DTCS P2072 To P2173 - NGC
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P2099-Downstream Fuel Trim System 2 Rich
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Notes
P2099-Downstream Fuel Trim System 2 Rich: Notes
Fig 1: O2 Sensor Heater Circuit
Courtesy of CHRYSLER LLC