This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and for that reason not compensated for and can thin the engine out and can with allow the engine to rev taking place when not desired causing prickly running. As its a mechanical irregularity it tends not to tilt on the irregularity blithe and you can sometimes hear a hissing noise next the engine running.
I started the car taking place this morning, it starts going on and runs at 1750 and within a minute or suitably climbs on top of 2500.. It is executive smooth though, just artifice forward-looking than it should be. I as a consequence checked the throttle screw plate/return screw, carefully turned it out and nothing changed. put it incite to exactly where it was. No vacuum leak sounds and every connections verified. I setting fine just about them as I've been in there a bunch of times..
I'm reviewing your question now, and will broadcast put up to gone your respond ASAP. Rgds Greg. What malfunction codes realize you have. Does the engine govern considering the MAF disconnected. considering the loud hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF connected it is on your own measuring the freshen that is getting like the MAF, for that reason if the intake manifold is sucking in expose the let breathe to fuel ratio will be very out and cause the engine to stal