I just converted a EF to obd1 its has a complete obdo B16 swap in it with EF9 harness and all. so we put the ecu conversion in it dosent have a sub harness for vtec, o2 ect, but i think thats alright because vtec and is inside the harness cuz its a EF9 harness, i put a brand new obd1 dizzy on, and a p28 with a b16 chip in i know that the ecu is good, and distributor jump in and it starts and runs no codes. but it has a slight missfire now, anyone know wat it could be?

 

check injectors
check vacume lines
check map sensor
check compression
check valve lash
check sparkplugs
check sparkplug wires
check all grounds
report back

 

Never mind junk autozone dizzy cap