for who could help thanks alot in advance, have an 98 ex civic that when i got it it had a y5 motor, well anowho its an ex so i knew the motor wasnt original. long story short motor needed replacement or rebuilt, buddy had a d16y7 layin around in his garage. he shot me it so im able have my car back on the road, performance aint too much of something im worried about but got that motor in and now it wont stay on without having to keep my foot on the accelerator pedal. so im needing help on how could i get it to run properly with ex wiring harness and the y7 motor.. or what ecu..? everything manual, replacement and the previous parts motor everything.. any ideas what it could be..? sorry for any misinputs or inc grammer..