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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Engine Controls (Except Diesel & Hybrid) - Powertrain DTC Descriptions - DTC P1703 - P2A04, DTC PXXXX, DTC U0046 - U300C, DTC UXXXX) >> DTC P2196: O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1

DTC P2196: O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1

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P2196 - O2 SENSOR SIGNAL BIASED/STUCK RICH - BANK 1, SENSOR 1

Description:  A heated oxygen sensor (HO2S) indicating rich at the end of a test is trying to correct for an over-lean condition. This DTC sets when the fuel control system no longer detects switching for a calibrated amount of time.
Possible Causes:  See the possible causes for DTC P2195 in P2195 - O2 SENSOR SIGNAL BIASED/STUCK LEAN - BANK 1, SENSOR 1 .
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST H .