im just someone now am i wes, disconnecting the iscv wont make any differnce as the engine will die, and manual adjstment of the idle is next to usless as the ecu will compensate, you should never have to adjust the idel on it, the ecu works it outs, maybe a tiny bit of fin tuning but it wont make a diffence, you need to clean the sensore mate and get ya ass round and borrow my fault finder, if the iscv is cleaned and it still does it then a sensors down, oh yeah sorry i didnt reply to ya text wes, i was at work and forgot