Hondata

I want to bring you the end of this story. The RRD was the right tuning, and the injector timing was correct. My vehicle had a fuel pump problem, and fuel pressure would decrease as demand increased. I replaced the fuel pump, and now everything works perfectly!

37820-RRD-M11

Thanks for the answer, makes sense!

Is there any guess why it's different? For my ECU, which tuning you think should be the correct one?

Hi.

I would like to know why exists differences in the injection timming between the stock calibrations Civic-Si-RRD-1-M12 and Civic-Si-RRB-1 for Civic Si 2006-2011 South America.

I have this question because after flashing the Civic-Si-RRB-1 (stock equivalent) with modifications in AFM flow and ...