block off all air that is going to intake ,connection on left side of of engine pcv/oil seperator,right side front pcv to throttle body right side vacuum to cruise servo rear intake hose to fuel regulator and brake vacuum hose and any hose between afm 2 throttlebody also spray out the throttle body and the hole that goes to air bypass that should clear up the vacuum bounce also sheck where the throttle shaft goes into the intake (spray that to to see idle quality)firewall side to make sure it has not breached...report back ,,,,,check dipstick o rings & filler cap gasket...tap and disconnect air bypass harness and tps also but one at a time, just try to get the engine to talk to you, also try locking out od when you are driving too see if that changes anything ....that should give you about an hour of rover tyme saturday before moma gets mad......i will be back in states next thursday if you need someone to kill all the cel's i just activated