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Old 07-26-2013, 10:52 AM   #6
fastnoypi
Scooby Guru
 
Member#: 6886
Join Date: May 2001
Chapter/Region: Tri-State
Vehicle:
MY01 EJ207 HTA35r
AVCS ON!

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Quote:
Originally Posted by GRSSHPR1 View Post
it's an automatic and wot it's a dog until it reaches higher rpm then it takes off. but we see junkyard marker on the intake which concerns me we're looking for a specifics description of how the ecu realizes what octane is in it. anyone?
the ecu doesn't know octane directly, it knows by repetitive knock and adjusts accordingly by pulling timing and lowering the IAM from 16 to OMG its blown.
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