alright here it is......i just got my b18c1 bored to 2.0l to fit my b20 bottom...excellent job....alright..everything pulls nice, drives nice, but my check engine light comes on when i drive for about 10mins....right when that happens, i pull to the shoulder, turn my car off, and turn it back on, and nothing, no check engine light...So WTH???... i have hondata s200, and my dad, push my rev button, so maybe it has to do something w./that........i do need a new catolac converter, cuz its rattling, but wouldnt that throw the cel and keep it on??..........well ne help would be apperciaited...thanks