This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and correspondingly not compensated for and can lean the engine out and can as a consequence permit the engine to rev going on subsequently not desired causing brusque running. As its a mechanical malfunction it tends not to outlook on the deviation buoyant and you can sometimes listen a hissing noise in the same way as the engine running.
Its then 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 visceral delivered to the engine. Might moreover be worth cleaning out the idle keenness control motor / valve as these acquire clogged occurring next carbon and some brake cleaner washed through helps free things off.
I’m reviewing your ask now, and will post urge on behind your respond ASAP. Rgds Greg. What irregularity codes get you have. Does the engine control taking into consideration the MAF disconnected. behind the noisy hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF combined it is and no-one else measuring the air that is getting gone the MAF, appropriately if the intake manifold is sucking in ventilate the air to fuel ratio will be categorically out and cause the engine to stal
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