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word to 2rotor or anyone else ....
an afr of 20 and ur car will not idle ... it will die ... end of story ...
when u just start up the car the afr is like 17s so that the car can warm up quicker then as the temp bar raises the afr gradually goes down ... it should stop in the 14s for an NA car and 14.7 would be perfect ...
in the 17s u'll hear the car sputter like it doesn't even want to idle (that is under the ajp application) ... stock it's just loud and revs are up (same with ajp application but louder) ....
when i had the apexi neo i could cut fuel till the car cut off ad idle ... if i took afr to like 19 it would just die ... so idling in the 20s is just crazy ... it won't happen ...
come to think about it .... i think an apexi neo can be used to trim your fuel at idle but then leave all other parameters untouched so that ur table is not affected ....
the table will not be affected if u adjust ur fuel at idle cuz the car will run closed loop under boost and the tune will take care of the fuel requirements as long as the fuel pressure is set right ...
what i'm not sure of is if the fpr will allow for adjustment of the fuel at idle by a secondary device like the neo seeing as the fuel pressure is already set there ... but a set fuel pressure doesn't mean "fuel allowed" right? so it may work???
but i remember when i went over to ajp to have the neo removed (after i got the reflash) they had mentioned something to the effect that doug (hondata) mentioned that i can keep to the neo to adjust fuel trim at idle cuz the car will run rich with the reflash and the size injectors the kit has (so that was known).... so that's food for thought ... but i didn't want the neo on my car cuz it worked like ass under other circumstances(boost) ... so maybe someone can try this out ... i think it may work ...
PS: i'm going to hook up a wideband to my fa5 to monitor afr soon just for my own knowledge sake ... we'll see what happens.
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