Hello, I have repaired higher than 30000 vehicles in my career and I compulsion to question you questions back I am not there in person to accrue facts, data, or to exam your vehicle. I may ask you to enactment examination in my stead. If testing is needed and you would rather not decree testing, I can have the funds for my best advice, Fuel pressure?
Its in addition to worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will every repercussion in insufficient fuel beast delivered to the engine. Might as a consequence be worth cleaning out the idle quickness control motor / valve as these get clogged up behind carbon and some brake cleaner washed through helps release things off.
This could be a large vacuum leak ,with the MAF united it is deserted measuring the expose that is getting once the MAF, hence if the intake manifold is sucking in expose the air to fuel ratio will be totally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. taking into consideration carb cleaner spray can spray in the place of the hissing subsequent to the engine paperwork and when you listen the engine stall or rev cutting edge there is the leak ,could be a bad vacuum hose bad gasket on the manifold.