Preventing CEL codes

[cvcsleeper]

If the engine that I'm swapping into my car requires more control units than my car actually has (e.g. evap canister vent shut valve, bypass solenoid valve), can I connect a jumper wire from a power source on the ECU to that control units pin to prevent it from throwing codes? I'd make sure the voltage is the same.

 

[posol]

its a bad idea.

just get the evap from the gsr or whatever motoer your swapping into your car and plug it in.

 

[cvcsleeper]

Damn... What might happen if I do this, I'm just worried that I'll spend all that extra money and there still might be CEL codes.

Here's a pic of what I had in mind.

Diagram

This is what my system currently looks like.

Diagram 2