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- Thu Jun 19, 2025 6:00 pm
- Forum: Civic Si 2012-2015 US/Canadian / 2013+ ILX
- Topic: Car running Rich and Lean
- Replies: 1
- Views: 532
Car running Rich and Lean
I'm experiencing a problem with my 2014 Civic Si; it seems to be struggling to drive. It's running rich, but also lean at the same time, causing the vehicle to jerk because it wants to stall. All I have done to the car is just an exhaust and running hondata reflash. I have changed the O2 sensor ...