Sr20det problem???

[samsx]

I've just swapped a sr20det in my brother's silvia. It has already a sr20det in it so it's just unplug and plug... Now the new sr don't start.. I have fuel and fire... I really don't know what to check now... help me please..

[lonelydrifter]

Check the timing.

[samsx]

Thank you! It was the timing!