"Lean Cruise" ECU Modification Thoughts - Page 2 - Fuelly Forums

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Old 07-10-2006, 11:20 AM   #11
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Quote:
Originally Posted by cheapybob
DIY EFI had the leasn cruise working on GM V8's a couple years back. IIRC, they cycled it on/off so as not to get things too hot running too lean too long.
I'm not sure of all the specifics but I thought that the stock code took care of the cycling. I seem to recall reading a description where the the O2 sensor was "put to sleep" during a steady state cruise and would wake up from time to time. Interesting concept anyway. I'm going to enable mine once I get the ECU tuned.

-- Scott
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Old 07-10-2006, 04:01 PM   #12
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No, as I recall hearing it, the code was there but it never gets to it. Essentially its disabled. I haven't followed that list for a while, but when I did, a couple years ago, there were people trying to implement it.
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Old 07-11-2006, 05:36 AM   #13
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Yes, it is disabled from the factory but all the code is in place. To enable it just requires you to set the flag to true. Sorry I wasn't very clear in my earlier post.
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