Join Date: May 2007
Location: Allen, Texas (just north of Dallas)
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Don't be surprised if the problem comes back after a few more key cycles.
It is likely that the ECM is detecting a problem and going in/out of limp mode in an effort to protect the engine and/or isolate the cause.
Resetting the ECM simply restarts the procedure from the beginning again. It is unlikely that you have "fixed" anything, you've just made the ECM forget about it until it detects the issue again.
Auto, Single Monsoon, Spoiler,
GM LNF Turbo Upgrade Kit
Opel GT Antenna