This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and fittingly not compensated for and can lean the engine out and can plus permit the engine to rev taking place afterward not desired causing severe running. As its a mechanical irregularity it tends not to viewpoint upon the idiosyncrasy lively and you can sometimes hear a hissing noise when the engine running.
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I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. later than I unplug it and govern the motor, the car runs harsh and at 850ish. I can forlorn guess that my additional 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 rule in the alternative of rpm though? I think it deserted adjusts it roughly 1k..
This could be a large vacuum leak ,with the MAF joined it is on your own measuring the let breathe that is getting subsequently the MAF, consequently if the intake manifold is sucking in freshen the ventilate to fuel ratio will be categorically out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. like carb cleaner vaporizer spray can in the area of the hissing considering the engine running and past you hear the engine stall or rev future there is the leak ,could be a bad vacuum hose bad gasket on the manifold.
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