racered
Well-Known Member
- Joined
- Dec 15, 2008
- Messages
- 486
- Reaction score
- 206
06 Trailblazer with unstable idle, "erratic idle up". The ECM would not complete a "calibration re-flash with updates",so a used ECM @ $65.00 was installed then flashed and the truck was all better. I wanted to look inside the old ECM. Impressive, where is the idle screw??
