pierreeli Posted December 14, 2021 Share Posted December 14, 2021 Hi, I followed your professional discussions and replies. I have Excessive Feedback knock reaching -11.95, at low RPM. It is been 4 months now. Don't know if it is false knock. Tuner could not figure out the issue. WRX 2015, JPIPE,CAT BACK , ECBS. CVT. Appreciate if it is possible to help me out, attached the COBB Log File. Regards, Pierredatalog2.csv Link to comment Share on other sites More sharing options...
Max Capacity Posted December 19, 2021 Share Posted December 19, 2021 You might get more response in the 6th Gen forum...? 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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