2006 colorado ls3/4l70e swap e67 intermittent throttle problem
jsut realised i posted this in gen 3 please move !
Just swaped an 2008 ls3 and 4l70e into a colorado.
Used current performance harness.... had to fix a few things but got it working
using a 2009 colorado e67 pcm and a tcm with a 2009 tbss OS
I got it running and driving pretty well.( its all very close to stock ls3 parameters) Then sometimes when i start it, it feels like the throttle wont go past 20% or so and feels like reduced power . NO CODES then sometimes it will clear it self up and run perfect other times i shut it off restart it and its fine. other times its not ...
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