*roadcrawler, maybe my case can help

I have the same problem also with my 96 civic lxi m/t. MIL lamp showed and then sininok na siya at violent jerking. I had it checked outside CASA and ran a check on the computer box and concluded that the IACV(Idle air control valve) ang problem..Mejo naalangan ako ipapalit ng surplus kaya nagpunta ako ng CASA

I went to HONDA SPA in mindanao avenue,and they concluded as well that the IACV was at fault. They replaced the IACV and the car turned out to be ok but after a few days, balik MIL ulit.. After checking with SPA again, damay na daw computer box. Sira na daw pala nun pa at tinamaan na(nasunog),it was running on "backup" mode daw kaya mukang naging ok pa.

Ngayon, I'll pick it up sa CASA with the computer box changed and all (27k ang gastos for a brand new one)

Now the question that revolves around here is does E10 may have partly caused our engine sinok problems?