the POWER light for my 1995 wrx auto flashes when i start up the car the goes out & is fine. Its only started doing this since i fitted an apexi power fc ecu. Any ideas on this guys please?

 

Yes, the APEXI isn't configured to provide the signals to your TCU, so its flashing an error, also it won't shift properly and the transfer clutch arrangement for the AWD won't work properly either.

Most consider the benefits of an apexi are outweighed by the downsides of loosing effective AWD.

Simon