This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and hence not compensated for and can lean the engine out and can as well as permit the engine to rev going on afterward not desired causing argumentative running. As its a mechanical deviation it tends not to turn on the irregularity well-ventilated and you can sometimes listen a hissing noise taking into consideration the engine running.
Its also worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not at your best pump will every outcome in insufficient fuel monster delivered to the engine. Might with be worth cleaning out the idle eagerness rule motor / valve as these acquire clogged happening in imitation of carbon and some brake cleaner washed through helps forgive things off.
I don't have any check engine lights unless I unplug the MAF sensor. taking into consideration the MAF is plugged in next the car will stall unless I put my foot on the accelerator. There is plus an intermittent popping sealed coming at idle.