Check the hose clips for tightness and examine 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 quirk to find a leak is to have the engine management and warm and after that spray can lighter gas /propane or brake cleaner vis--vis each joint in turn. If the engine rev s in the works you ve found your leak.
I did re-check them tho. The master tech did extensive tests on the let breathe flow meter and said it was good. in the manner of I unplug it and rule the motor, the car runs harsh and at 850ish. I can deserted guess that my other rebuilt ecu has an issue, or the tps needs to be re-adjusted, or anyhow my maf has died in the midst of every this. I don't think the tps has that much run in the substitute of rpm though? I think it abandoned adjusts it vis--vis 1k..
I'm reviewing your ask now, and will pronounce assist with your reply ASAP. Rgds Greg. What fault codes get you have. Does the engine manage as soon as the MAF disconnected. subsequent to the loud hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF joined it is and no-one else measuring the ventilate that is getting bearing in mind the MAF, therefore if the intake manifold is sucking in air the expose to fuel ratio will be completely out and cause the engine to stal