b18a1 into 91 crx dx

[91rexoffboost]

i just swapped in a b18a1 out of my 91 integra ls into my 91 crx dx. previous owner took the liberty of doing a ghetto fabulous dual point to multi port conversion including a serious hack job on the ecu harness. got the harness repinned and soldered so it.s good non. mounted my motor and got it running but it holds an idle of about 2000-2200 rpm. all vacuum lines are hooked up and it's throwing codes 4 and 10. help honda veterans i'm lost