1993 rhd Civic cx

Break down on the car to get an idea; Has a high comp LsV(jdm rhd engine harness from a b16a), still has the Lhd usdm dash harness, battery is relocated to trunk. Running a virgin p28 ecu(not the greatest idea but whatever)

Ive had the car for about a month. Started up fine, drove fine every day, no CEL's, ect. One day 2 weeks ago, the car threw a CEL and the idle shot up to 1300rpm and stayed, bogged down/sputtered while driving. turned it off, did it again..and would randomly do it off and on but atleast once a drive. Well i checked my grounds, wiring ect, and i looked in the hatch at the battery and noticed the battery was swollen and leaking. Drove the car and didnt do it for 4 days straight. I took the battery out for saftey purposes and swapped it with a used one off a friend and swapped my alternator with a used one off another friend. Long story short, after driving for a few minutes it did it again..

ive tried a chipped p72, tried reseting the ECU, put a new batt/alt in, ect. all my grounds are there.

Why am i still throwing this code 20?? Ive read its the fuse box that can go bad, or too much volt/too little, a bad ground, ect..

 

can the fuse box go bad out of no where? if so whats the cause for it?

 

ttt need to figure this out asap!!

 

Do the ELD service manual tests for the ELD wires that run to the alternator and ECU.

 

Link? But my last alternator over charged my last battery. Could those wires cause that to happen?

 

It's not hard to find your Civic's service manual on the internet. It's against site rules for me to post a link.