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P2097 Diagnostic Trouble Code Discussion for July 2009

Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)

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Trouble Ticket Help Requests for DTC P2097
Help Request Posted
2005 Chrysler Pacifica Touring 3.5L Poor Fuel Economy, MIL Lamp on VIN: 2C4GM68405
P2097: Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2). This car came in a month or so ago with some catylist efficiency codes.It had been replaced about a year ago with an after market converter which was a good bit smaller than the factory one.I diagnosed as a bad converter and replaced it with an OEM converter a...
July 14, 2009