Originally Posted by MerF
I imagine the ECU will throw a code for an open circuit...i.e.-disconnecting it.
mine did the same check the wiring of these items as well as putting a volt/ohms meter on the sensors to check them if their broken ect is mostliky broke mine was as for the knock sensor its a cheap sensor replace it any way better be safe then sorry... plug ur speed cable back in for the 17 code to go away and reset the ecu after fixing this and see