Cirus_93TSI
15+ Year Contributor
- 658
- 0
- Jun 30, 2003
-
Glen Burnie,
Maryland
i finally got a new knock sensor and can tune my car now, but im having a little trouble with the afc settings.
what i want to ask is, if my low fuel trim is somewhere between 60 and 139% does that mean my idle is ok?
because im running 550s and a 2g mas w/ lower honey combs removed, and a walbro 255 w/stock FPR(an afpr is next on my list, but i wolnt have it for a month or so), and to keep my low fuel from pegging at 139% i have to set the afc to between +27 and +29 at idle. and even then it stays at or above 130%.
should i set my fuel at idle higher to get the low trim down closer to 100, or do you think that is too much fuel? would resetting my ecu help, and if so should i keep my current settings of reset the acf to zero when i reset it?
and also, how can i tell where to set my TH points? i know they arent wuite right by how my car feels when cruising, they are at 30 and 70 now. im wondering how to tell or feel weather i need to lower.raise the low or lower/raise the high. everything iv found about it has been pretty vauge.
what i want to ask is, if my low fuel trim is somewhere between 60 and 139% does that mean my idle is ok?
because im running 550s and a 2g mas w/ lower honey combs removed, and a walbro 255 w/stock FPR(an afpr is next on my list, but i wolnt have it for a month or so), and to keep my low fuel from pegging at 139% i have to set the afc to between +27 and +29 at idle. and even then it stays at or above 130%.
should i set my fuel at idle higher to get the low trim down closer to 100, or do you think that is too much fuel? would resetting my ecu help, and if so should i keep my current settings of reset the acf to zero when i reset it?
and also, how can i tell where to set my TH points? i know they arent wuite right by how my car feels when cruising, they are at 30 and 70 now. im wondering how to tell or feel weather i need to lower.raise the low or lower/raise the high. everything iv found about it has been pretty vauge.