P2097 Diagnostic Trouble Code Discussion for December 2009
Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
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| Help Request | Posted | |
| 2005 Subaru Outback i 2.5L MIL Lamp on VIN: 4S4BP61C15 P2097: Post Catalyst Fuel Trim Too Rich (Bank 1). ... multiple codes. replaced the rear o2 sensor and all codes gone but p2097. took to subaru for reflash that might be able to remove this code but only worked for two days. The downstream o2 is reading .875 volts and the upper 2.8 volts. We were told that vol... |
December 17, 2009 |
