P2097 Diagnostic Trouble Code Discussion for January 2010
Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
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| Help Request | Posted | |
| 2005 Chrysler Pacifica Limited 3.5L MIL Lamp on VIN: 2C4GF68485 P2097: Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2). ... Originally it set a upstream O2 code and later set catalyst efficiency code. I replaced both sensors to make sure they were both good even though they seemed to be switching ok on the scanner. Now it came back with a P2097, downsteam fuel rich 1/2. I gave ... |
January 20, 2010 |
