gtconcepts

I installed a fresh b16 to my 99si turbo build i was getting two codes from the ecu 8 and 41 ,I checked the tdc sensor and is with in specs also the o2 sensor cell is gone , im not showing any cells now, what is happening is the that when i start he car still shuts down like if it had an imobilizer if i maintain the key on the start possion the car starts and idles pefect but once i let go it shuts down , I got my stereo stolen while i had the car at the shop rear left side window broken and the ecu is not the original is from another si same year same model..

what could be causing this problem?


thanks

gtconcepts

anyone? ?????