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red_frs · 02-19-2023, 04:03 AM

I recently installed Tsudo UEL headers onto my car, after a couple of weeks I got a CEL and traction light. The code is P0171, I've replaced my fuel ratio sensor and cleaned the throttle body. Can't seem to figure out what wrong. I also made sure to get an OFT2 tune with the headers as well.

02-19-2023, 04:03 AM	#1
red_frs Junior Member Join Date: Feb 2023 Drives: 2013 Automatic Scion FRS Location: Louisiana Posts: 2 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	CEL and Traction light I recently installed Tsudo UEL headers onto my car, after a couple of weeks I got a CEL and traction light. The code is P0171, I've replaced my fuel ratio sensor and cleaned the throttle body. Can't seem to figure out what wrong. I also made sure to get an OFT2 tune with the headers as well.