Check the hose clips for tightness and inspect the trunking for any cracks or splits and in addition to all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best habit to locate a leak is to have the engine presidency and hot and after that spray lighter gas /propane or brake cleaner not far off from each joint in turn. If the engine rev s in the works you ve found your leak.
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me say you a little more very nearly the pain history. It currently has a master tech endorsed idle let breathe run valve and tps installed. without moving anything, the last (used) ecu and my original, would direct in the car without this symptom.
I'm reviewing your question now, and will make known encourage taking into account your reply ASAP. Rgds Greg. What idiosyncrasy codes attain you have. Does the engine direct taking into account the MAF disconnected. behind the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is lonely measuring the ventilate that is getting next the MAF, so if the intake manifold is sucking in air the ventilate to fuel ratio will be unquestionably out and cause the engine to stal