This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and suitably not compensated for and can thin the engine out and can afterward permit the engine to rev occurring subsequently not desired causing sharp running. As its a mechanical deviation it tends not to slope on the oddity light and you can sometimes listen a hissing noise in the same way as 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. taking into account I unplug it and control the motor, the car runs brusque and at 850ish. I can unaccompanied guess that my supplementary rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much control in the stand-in of rpm though? I think it single-handedly adjusts it roughly speaking 1k..
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you occurring to date upon all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms going on and is warmed up? oftentimes in engine operate many factors may cause the thesame symptom(s)
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