Help Power Fc On Rs4s

[nischic]

Ok i need help

So I have a s2 c34 rs4s.... so 25 neo factory manual

Just done a heap of mods and having a little teething issues

List is

Gt3582r on a high mount manifold

570cc injectors

50mm gate

Z32

R34 power fc with commander

Full exhaust

570cc injectors

470lph fuel pump

Problem is engine light on dash

On the commander i have throttle motor lit up meaning there is a problem...

I have read all about the pin 51 bullshit about traction control from r34 to stagea power fc... how a drop resister is needed to get light off the dash... well this rs4s has no wire in pin 51.... can someone please shed some light on this. I don't want to just remove light on dash I want to fix the problem. I have red a few people haven't the issue with cold start. Before all this was put on it was running a nistune and never had a problem.

Been tune and really down on power... hard to start when cold rough idle and its backfiring badly when you take foot off gas. Thanks guys