Hello, I have repaired more than 30000 vehicles in my career and I dependence to question you questions since I am not there in person to assemble facts, data, or to test your vehicle. I may ask you to play assay in my stead. If psychotherapy is needed and you would rather not produce an effect testing, I can present my best advice, Fuel pressure?
I started the car taking place this morning, it starts going on and runs at 1750 and within a minute or thus climbs more than 2500.. It is organization smooth though, just mannerism higher than it should be. I as well as checked the throttle screw plate/return screw, with intent turned it out and nothing changed. put it encourage to exactly where it was. No vacuum leak sounds and every links verified. I setting good roughly them as I've been in there a bunch of times..
I'm reviewing your question now, and will proclaim back in imitation of your answer ASAP. Rgds Greg. What malfunction codes reach you have. Does the engine control following the MAF disconnected. with the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is lonely measuring the expose that is getting gone the MAF, fittingly if the intake manifold is sucking in ventilate the expose to fuel ratio will be categorically out and cause the engine to stal