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Jeep
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2016
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Wrangler Rubicon, Automatic Trans
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P2135 To U1418
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Diagnosis And Testing
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P2273-O2 Sensor 2/2 Signal Stuck Rich
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Possible Causes
Possible Causes
Possible Causes
EXHAUST SYSTEM LEAK
O2 SENSOR 1/2 SIGNAL CIRCUIT
O2 SENSOR 1/2 RETURN CIRCUIT
O2 SENSOR 1/2
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to .