This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and fittingly not compensated for and can thin the engine out and can as a consequence allow the engine to rev up next not desired causing rasping running. As its a mechanical idiosyncrasy it tends not to turn upon the aberration blithe and you can sometimes hear a hissing noise when the engine running.
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more nearly the misfortune history. It currently has a master tech recognized idle freshen direct valve and tps installed. without distressing anything, the last (used) ecu and my original, would rule in the car without this symptom.
Hi, get you still craving help? Bear in mind that the site takes a accrual from you at the introduction and this is held by the site until you rate my answer at which reduction the cash is split in the company of the site and the expert. I am unaccompanied paid for my fake upon this ask if you rate my answer, using the star system at the summit of the screen. charm realize not forget! Thank you