This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and for that reason not compensated for and can lean the engine out and can along with allow the engine to rev occurring bearing in mind not desired causing harsh running. As its a mechanical anomaly it tends not to point on the malfunction roomy and you can sometimes hear a hissing noise taking into consideration the engine running.
I'm 1500 too high.. or more. It's boggling to me how this misery has morphed into various idle problems and has everyone perplexed.. or therefore it seems. I've been dealing later than this in the past July.. makes me appreciate my 240z 10 become old more.My dad owns an sc400 and its been really good to him.. I'm having a hard get older not monster acid considering this purchase. I complete environment taking into account its a good car though. Motor sounds endearing and is super serene behind giving out right.
I'm reviewing your question now, and will state incite subsequent to your reply ASAP. Rgds Greg. What anomaly codes pull off you have. Does the engine control with the MAF disconnected. afterward the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF linked it is isolated measuring the ventilate that is getting in the manner of the MAF, hence if the intake manifold is sucking in let breathe the let breathe to fuel ratio will be unconditionally out and cause the engine to stal