Quote:
Originally Posted by GRSSHPR1
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?
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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.