I target the tuning for AE & PE for about 12.5 to 13.0 AFR. I target the VE tuning for idle and normal driving for about 14.7 AFR. I do not adjust the O2 parameter.

dave w

Injector flow is an option, well maybe? For example, lowering the injector flow from 61 lb hr to 59 lb hr makes the computer "think" it needs to ADD / INCREASE the "Injector ON Time" so more fuel is...