knoxer323eg

sorry i search my problem and i cant figure it out people. well i got a set of dsm injectors first and i put them in wired up the resister box like it says on the topics here and my car started and ran for about 5mins then it would turn off. i was like wtf i rechecked all my wiring and re did it and the same. fine took the out put my stock injectors on my other ecu witch is stock and it was fine no problems. and yes i have my ecu set up for the dsm's injectors. i have 2 ecu's. so yesterday i got a set of nippon denso 460cc injectors wired up the resistor box and retuned the ecu to the 460cc and the same **** happend. i took off the resistor box and it runs better no funny idle it wont turn off runs fine but no resistor box. i need to know if theres something im missing here??? please help im so tired of this

bigD

what is your afr when it shuts off?