anyone with 3.6 lfx engine(from 2015 impala limited swapped on older car) tried to lower idle rpm?! whatever i did to tune cannot set it lower than 680 and it seems some changes i do on the tune and reflash gets no effect on ecm.
anyone with 3.6 lfx engine(from 2015 impala limited swapped on older car) tried to lower idle rpm?! whatever i did to tune cannot set it lower than 680 and it seems some changes i do on the tune and reflash gets no effect on ecm.
Last edited by cyrus_the_great; 02-07-2018 at 03:24 PM.