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by sam2135
Mon Jul 30, 2018 8:25 pm
Forum: Civic Si 2006-2011 Americas
Topic: Tune Needed - K20A Euro R
Replies: 1
Views: 1099

Tune Needed - K20A Euro R

Hey guys I have an 08 FG2 Si. Just installed a stock K20a euro r engine using the z3 harness and ecu and trans, it runs but limiter is 5k and it runs very poorly, almost like its misfiring but there are no codes. The engine judders when under load and bogs out. I'm very new to the tuning side of thi...