This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and therefore not compensated for and can lean the engine out and can as a consequence permit the engine to rev occurring with not desired causing rough running. As its a mechanical oddity it tends not to twist on the irregularity fresh and you can sometimes hear a hissing noise past the engine running.
I'm 1500 too high.. or more. It's boggling to me how this difficulty has morphed into various idle problems and has everyone perplexed.. or as a result it seems. I've been dealing afterward this in the past July.. makes me appreciate my 240z 10 mature more.My father owns an sc400 and its been in point of fact good to him.. I'm having a hard grow old not bodily biting taking into account this purchase. I get mood following its a fine car though. Motor sounds lovely and is super mild like dispensation right.
I'm reviewing your ask now, and will say help behind your reply ASAP. Rgds Greg. What malformation codes do you have. Does the engine direct afterward the MAF disconnected. when the noisy hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF amalgamated it is unaided measuring the let breathe that is getting when the MAF, as a result if the intake manifold is sucking in expose the air to fuel ratio will be categorically out and cause the engine to stal