Check the hose clips for tightness and inspect the trunking for any cracks or splits and afterward every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best mannerism to locate a leak is to have the engine executive and warm and then vaporizer lighter gas /propane or brake cleaner in relation to each joint in turn. If the engine rev s in the works you ve found your leak.
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 as a result it seems. I've been dealing similar to this before July.. makes me appreciate my 240z 10 times more.My dad owns an sc400 and its been in fact fine to him.. I'm having a hard era not brute acid like this purchase. I complete tone in imitation of its a good car though. Motor sounds delectable and is super serene like running right.
I'm reviewing your ask now, and will proclaim urge on taking into consideration your respond ASAP. Rgds Greg. What deformity codes pull off you have. Does the engine direct behind the MAF disconnected. considering the loud hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF associated it is single-handedly measuring the air that is getting considering the MAF, appropriately if the intake manifold is sucking in let breathe the let breathe to fuel ratio will be totally out and cause the engine to stal