P2097 Diagnostic Trouble Code Discussion for August 2018
Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
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| Help Request | Posted | |
| 2013 Nissan Pathfinder S 3.5L MIL Lamp on VIN: 5N1AR2MM5D P2097: Post catalyst fuel trim system too rich bank 1. 3 time loser here. P2097 will set in anywhere from 2-7 days, with the freeze frame data showing 70+ mph, after engine is fully warmed up. Smoke-tested intake tract - no leaks found. Pressurized exhaust system using a shop vac in reverse, and using soapy wa... |
August 30, 2018 |
