i found on google about ecu
"5spd = 000, 001, 002, 003, A00, A01, A03, C00, C01, C02, C03, J00, J01, J02, J61, J62, A11, C11
Auto = A70, A71, A72, A91, A92, C70, C71, C72, C91, C92"
I also have p2j-j62 should i go for j63? i have rpm issue and low fuel milage and rough idle.