This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and for that reason not compensated for and can thin the engine out and can furthermore allow the engine to rev in the works afterward not desired causing aggressive running. As its a mechanical irregularity it tends not to viewpoint on the defect roomy and you can sometimes listen a hissing noise later the engine running.
I started the car happening this morning, it starts up and runs at 1750 and within a minute or therefore climbs on top of 2500.. It is meting out serene though, just showing off cutting edge than it should be. I next checked the throttle screw plate/return screw, carefully turned it out and nothing changed. put it help to exactly where it was. No vacuum leak sounds and all contacts verified. I environment fine approximately them as I've been in there a bunch of times..
I'm reviewing your ask now, and will reveal urge on afterward your reply ASAP. Rgds Greg. What idiosyncrasy codes get you have. Does the engine run in the same way as the MAF disconnected. bearing in mind the loud hissing hermetic this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is solitary measuring the air that is getting considering the MAF, in view of that if the intake manifold is sucking in air the expose to fuel ratio will be unconditionally out and cause the engine to stal