Cutouts would have to go AFTER the rear o2's if there are any. The only way cutouts would screw up an o2 sensor reading is if they were before the sensors.
Chris
Cutouts would have to go AFTER the rear o2's if there are any. The only way cutouts would screw up an o2 sensor reading is if they were before the sensors.
Chris
2009 Silverado, HPTuners, all stock.
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