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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P2273: - O2 Sensor Signal Stuck Rich - Bank 2, Sensor 2

DTC P2273: - O2 Sensor Signal Stuck Rich - Bank 2, Sensor 2

DTC P2273: - O2 SENSOR SIGNAL STUCK RICH - BANK 2, SENSOR 2

Description:  See the description for DTC P2270.
Possible Causes:  See the possible causes for DTC P2270.
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - GO to Pinpoint Test H . GO to Pinpoint Test H .