Hmmm I've heard of people doing this with the CPS and phase sensors (as they're beside each other) and possibly ISCV, but not too often. From memory the ISCV is grey plug, Phase sensor is black, and CPS is white. Worth a check i suppose.
Personally I don't see why the ISCV would effect it, not ever seen anything like that happen in the past anyway. The car should start wthout it connected, it'll just die if you don't hold the throttle open a bit, i ran my car like this for a while when i was too lazy to change it.