This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and as a result not compensated for and can thin the engine out and can after that permit the engine to rev stirring later than not desired causing harsh running. As its a mechanical oddity it tends not to viewpoint on the anomaly fresh and you can sometimes hear a hissing noise in the same way as the engine running.
I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. subsequently I unplug it and direct the motor, the car runs scratchy and at 850ish. I can lonely guess that my new rebuilt ecu has an issue, or the tps needs to be re-adjusted, or anyhow my maf has died in the midst of all this. I don't think the tps has that much run in the vary of rpm though? I think it without help adjusts it something like 1k..
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