This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and thus not compensated for and can lean the engine out and can in addition to permit the engine to rev occurring in imitation of not desired causing unfriendly running. As its a mechanical oddity it tends not to slope upon the idiosyncrasy roomy and you can sometimes listen a hissing noise following 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 little more more or less the pain history. It currently has a master tech approved idle air manage valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would control in the car without this symptom.
Hi, do you still infatuation help? Bear in mind that the site takes a accumulation from you at the start and this is held by the site until you rate my respond at which narrowing the cash is split amongst the site and the expert. I am unaccompanied paid for my doing on this question if you rate my answer, using the star system at the top of the screen. occupy pull off not forget! Thank you