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tomm.brz · 03-20-2023, 05:53 PM

high probability of exhaust leak near the front o2 sensor
stock tune with stock airbox won t give +35% or more of ltft just for exhaust header unless the front lambda is measuring some fresh air

03-20-2023, 05:53 PM	#3
tomm.brz Senior Member Join Date: Jan 2017 Drives: brz 2017 hksv2 Location: italy Posts: 2,280 Thanks: 515 Thanked 1,121 Times in 811 Posts Mentioned: 70 Post(s) Tagged: 0 Thread(s)	high probability of exhaust leak near the front o2 sensor stock tune with stock airbox won t give +35% or more of ltft just for exhaust header unless the front lambda is measuring some fresh air