Hi my name is Tana. I have a 95 4 runner and I just did a 3vz to a 5VZ swap. Motor ECU and wiring harness all came out of the same vehicle which was a 2000 4runner, 2 Wheel Dr. automatic as well… but my wiring diagram matches up to a 2001…. my ECU has five plugs … I have hooked up every wire that I know of that needs power ..I cannot get this thing to start… it cranks, but won’t fire.. if I hit it with a little bit of spring start .. it acts like it wants to start?.. please help I want to drive my vehicle already. I love this thing.

 

Hi Tana, welcome to the forum. Have you looked at the 3,4 swap section yet? There's a great sticky section at the top as well. Good luck with your swap.

 

Did you hook up the COR relay to fuel pump ground on the new ecm? I had that problem with mine but I just temporarily grounded out the relay to get it to start the first time.

this thread really helped me
https://www.yotatech.com/forums/f160...-101-a-239002/

 

[QUOTE=aztoyman;52488264]Hi Tana, welcome to the forum. Have you looked at the 3,4 swap section yet? There's a great sticky section at the top as well. Good luck with your swap.[/QUOTE

thank you so much!