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O2 sensor issues with LT headers?
I have been running Speed Engineering LT headers with a Blackbear tune for a couple months and a couple days ago the CEL came on. Checked the codes and it's showing issues with the position 1 O2 sensors on both bank 1 and bank 2. I think I'm at around 107k miles and I bought it used at around...- Blackout7c
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- headers long tube longtube o2 sensor sensors
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- Forum: Engine & Drivetrain
