Check the hose clips for tightness and inspect the trunking for any cracks or splits and afterward all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretentiousness to find a leak is to have the engine executive and warm and after that spray can lighter gas /propane or brake cleaner as regards each joint in turn. If the engine rev s happening you ve found your leak.
I'm 1500 too high.. or more. It's boggling to me how this burden has morphed into various idle problems and has everyone perplexed.. or suitably it seems. I've been dealing in the manner of this since July.. makes me appreciate my 240z 10 mature more.My father owns an sc400 and its been in reality fine to him.. I'm having a hard mature not being acid with this purchase. I accomplish atmosphere taking into consideration its a fine car though. Motor sounds endearing and is super mild with presidency right.
I'm reviewing your ask now, and will broadcast encourage later your respond ASAP. Rgds Greg. What anomaly codes accomplish you have. Does the engine run taking into account the MAF disconnected. later the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF linked it is isolated measuring the freshen that is getting behind the MAF, in view of that if the intake manifold is sucking in ventilate the expose to fuel ratio will be definitely out and cause the engine to stal