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Ed Wright · 07-29-2012, 08:27 PM

Robert, if you think the ECU is learning to undo your changes you can jumper the ECM (or PCM) Batt fuse to the powered side of the ECM (or PCM) Ign fuse. That way every time you turn it off any learning will be lost. I think your mistaken about that happening, but that would take care of that if it is.

Slowing like that as it heats up is normal for those.

07-29-2012, 08:27 PM	#5
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: Olds Achieva day at the Test & Tune Robert, if you think the ECU is learning to undo your changes you can jumper the ECM (or PCM) Batt fuse to the powered side of the ECM (or PCM) Ign fuse. That way every time you turn it off any learning will be lost. I think your mistaken about that happening, but that would take care of that if it is. Slowing like that as it heats up is normal for those. __________________ Ed Wright 4156 SS/JA