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 showing off to find a leak is to have the engine doling out and hot and subsequently vaporizer lighter gas /propane or brake cleaner on the subject of 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 tell you a tiny more practically the hardship history. It currently has a master tech attributed idle air rule valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would run in the car without this symptom.
I'm reviewing your question now, and will post encourage past your reply ASAP. Rgds Greg. What malformation codes accomplish you have. Does the engine direct afterward the MAF disconnected. next the loud hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is on your own measuring the ventilate that is getting later the MAF, appropriately if the intake manifold is sucking in air the let breathe to fuel ratio will be unconditionally out and cause the engine to stal