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Old 12-12-2003, 02:11 PM   #173
Scooby Specialist
Member#: 10041
Join Date: Sep 2001
Location: Marietta, Ga.
2015 WRX Limited CVT

Default Yo

I've actually heard that the ECU reflash fixes some of the knocks in the higher rpm range. I'm assuming the knock would be fixed wither w/ that method or adjusting the A/F on a dyno w/ a WB O2 sensor. It onlys happens in a certain range and if I go WOT in 4th starting in 3.5rpm. During my normal daily driving I get "0" knocks ... if I get aggressive which happens many times, I many get knock but it's because ofthe A/F ... at least that's what I'm puzzling together. If I continue to get knock in normal WOT "after' tunning, then it'll be a problem.
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