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Originally Posted by XfireZ51
Scott,
I have to agree with Todd. PT Open doesn't automatically mean the ECM is in PE mode. Several other parameters that define PE.
Rick,
What's the image you posted?
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Hold on. I'm not saying that it's pe mode at all. I'm saying that cell 18 is dedicated to pt open mode (still closed loop), just as there are other specialized cells such as 16 for idle mode and 17 for decel mode. While datalogging with the pt open, I was only using cell 18 durring normal driving. Durring decel 17 was used and at idle 16 was used. Setting it for normal opperation (pt closed durring normal driving), all the remaing cells were now being used. Try it yourself. BTW, this is '90 with the prom being based on the latest factory release.
Scott