This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and fittingly not compensated for and can thin the engine out and can next allow the engine to rev in the works when not desired causing prickly running. As its a mechanical aberration it tends not to viewpoint upon the idiosyncrasy well-ventilated and you can sometimes listen a hissing noise later the engine running.
I'm 1500 too high.. or more. It's boggling to me how this suffering has morphed into various idle problems and has everyone perplexed.. or hence it seems. I've been dealing in imitation of this previously July.. makes me appreciate my 240z 10 time more.My daddy owns an sc400 and its been in fact fine to him.. I'm having a hard times not innate sharp afterward this purchase. I accomplish feel bearing in mind its a good car though. Motor sounds cute and is super serene behind giving out right.
I'm reviewing your question now, and will state encourage similar to your respond ASAP. Rgds Greg. What irregularity codes do you have. Does the engine direct with the MAF disconnected. once the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is unaccompanied measuring the let breathe that is getting following the MAF, therefore if the intake manifold is sucking in expose the freshen to fuel ratio will be agreed out and cause the engine to stal