so i noticed my fan wasnt coming on my 93 sc, i pulled the connector on the etc sensor, fan comes on and get a cel. plug it back in and turn off the motor. ok i was right in thinking i need a working ircm,, put it on the list of what my car needs. here is where it gets interesting, start her up this morning and she runs absolutely horrible wants to stall and barely holds 10 inch. of vacum. car was running good except a small vac. leak upon start up. prior to this. i went through every connection possible and everything is tight, any thoughts?