I was wondering, since I have one of the Accord DX F23A5 rarities and it seems finding a good condition used motor for it, means looking at some questionable A5's in a sea of nice A1/A4's

I googled this and I discovered that someone had done this, but they talked about cutting the harness, they used the original non VTEC ECU fine then tried a VTEC one but it wouldn't start - someone said the ECU needed to be modified for the key code due to anti theft and there were no further posts.

can anyone shed some light? I'm a very handy dude, so I think I can handle swapping to the other engine, but before I commit to it I want to make sure I have everything I'm going to need. I don't really want to get into splicing 2 harnesses together, not because I can't but I don't want to add to the number of unknowns in a breakdown.

Basicly I want to know

will the connectors on the A1/A4 match the connectors on the A5 Harness?

Will the A1/A4 Ecu fit on the A5 Harness?

Can I just remove the A5 Harness and install the A1/A4 harness and ECU without modifing anything?

I'm looking for plug and play as this is my daily driver at the moment.

this is a 2000 Honda Accord DX "Sport" model with 5 sp Std 4 door.

I want to change the engine because at the moment for every tank of gas it burns over a liter(quart) of oil and the check engine light came on yesterday.

thanks for your time