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The ecu only 'learns' in closed-loop mode, which is only used for idle/low load/cruise conditions. During acceleration, deceleration, and WOT (wide open throttle), the ecu relies on its pre-programmed fuel
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04-21-2010, 08:27 AM
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#16 (permalink) |
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Enthusiast Member
Join Date: Dec 2009
Location: Tulsa, OK
Posts: 430
Drives: 2008 350Z TT
Rep Power: 370   |
The ecu only 'learns' in closed-loop mode, which is only used for idle/low load/cruise conditions. During acceleration, deceleration, and WOT (wide open throttle), the ecu relies on its pre-programmed fuel and ignition tables. That's why products like Osiris and Accessport exist, to reprogram what the ecu does at WOT.
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