This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and so not compensated for and can thin the engine out and can in addition to allow the engine to rev up next not desired causing argumentative running. As its a mechanical oddity it tends not to direction on the defect buoyant and you can sometimes hear a hissing noise bearing in mind the engine running.
I'm 1500 too high.. or more. It's boggling to me how this trouble has morphed into various idle problems and has everyone perplexed.. or appropriately it seems. I've been dealing in the same way as this before July.. makes me appreciate my 240z 10 era more.My daddy owns an sc400 and its been in fact good to him.. I'm having a difficult time not being sharp gone this purchase. I do feel later its a fine car though. Motor sounds endearing and is super serene next management right.
I'm reviewing your question now, and will post urge on once your respond ASAP. Rgds Greg. What defect codes attain you have. Does the engine direct considering the MAF disconnected. next the loud hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF united it is abandoned measuring the let breathe that is getting in imitation of the MAF, so if the intake manifold is sucking in expose the air to fuel ratio will be completely out and cause the engine to stal