This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and hence not compensated for and can thin the engine out and can furthermore permit the engine to rev occurring when not desired causing rude running. As its a mechanical deviation it tends not to slope upon the deviation light and you can sometimes hear a hissing noise in the manner of 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 suffering history. It currently has a master tech credited idle ventilate control valve and tps installed. without touching anything, the last (used) ecu and my original, would rule in the car without this symptom.
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