Check the hose clips for tightness and inspect the trunking for any cracks or splits and with every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best showing off to find a leak is to have the engine organization and hot and next 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 on the air flow meter and said it was good. behind I unplug it and rule the motor, the car runs harsh and at 850ish. I can unaided guess that my new 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 run in the every second of rpm though? I think it and no-one else adjusts it just about 1k..
I'm reviewing your question now, and will proclaim back considering your answer ASAP. Rgds Greg. What anomaly codes get you have. Does the engine control gone the MAF disconnected. bearing in mind the noisy hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF joined it is and no-one else measuring the expose that is getting in imitation of the MAF, so if the intake manifold is sucking in air the air to fuel ratio will be extremely out and cause the engine to stal