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P2196 Diagnostic Trouble Code Discussion for August 2011

Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich

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Trouble Ticket Help Requests for DTC P2196
Help Request Posted
2010 Ford E 350 SD 5.4L MIL Lamp on VIN: 1FBSS3BL9A
P2196: O2 signal biased/stuck rich b1. Last week it come in with code p1450 and lean code b1.looking at the scan data the tank pressure read 2.75 vdc.i remove the gas cap and it drop to 1.25,put the cap on and reading goes up again.i disconnect the vent solenoid wire connector and nothing happen. I...
August 13, 2011
2004 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN46D74
P2196: Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich. car came in p2096 p2196 and p2270 upstream sensor reading about 2450mv -4000mv down stream reading about 800mv changing down to 0 and back up with the throttle We installed a walker 250-25012 upstream o2 sensor and the same results if we unplug the upstream s...
August 30, 2011