Check the hose clips for tightness and inspect the trunking for any cracks or splits and moreover all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretentiousness to locate a leak is to have the engine dispensation and hot and after that spray lighter gas /propane or brake cleaner concerning each joint in turn. If the engine rev s going on you ve found your leak.
I did re-check them tho. The master tech did extensive tests upon the let breathe flow meter and said it was good. when I unplug it and control the motor, the car runs rasping and at 850ish. I can abandoned guess that my additional rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of every this. I don't think the tps has that much govern in the vary of rpm though? I think it forlorn adjusts it in this area 1k..
This could be a large vacuum leak ,with the MAF associated it is isolated measuring the air that is getting taking into consideration the MAF, suitably if the intake manifold is sucking in freshen the let breathe to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. subsequent to carb cleaner vaporizer spray can in the area of the hissing considering the engine paperwork and later than you hear the engine stall or rev future there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.