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Home >> Chrysler >> 2008 >> 300 LX >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2181 To P3441 >> P2273-O2 Sensor 2/2 Signal Biased >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
EXHAUST LEAK
OXYGEN SENSOR WIRING OR CONNECTORS
O2 SENSOR SIGNAL CIRCUIT
O2 SENSOR RETURN CIRCUIT
2/2 OXYGEN SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Perform *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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