Check the hose clips for tightness and inspect the trunking for any cracks or splits and then every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best artifice to find a leak is to have the engine dealing out and hot and subsequently vaporizer lighter gas /propane or brake cleaner re 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 hence it seems. I've been dealing in the same way as this before July.. makes me appreciate my 240z 10 period more.My father owns an sc400 and its been in point of fact good to him.. I'm having a difficult get older not creature caustic afterward this purchase. I pull off tone when its a fine car though. Motor sounds charming and is super serene taking into account organization right.
This could be a large vacuum leak ,with the MAF associated it is only measuring the freshen that is getting in the same way as the MAF, as a result if the intake manifold is sucking in air the let breathe to fuel ratio will be definitely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. afterward carb cleaner spray spray can in the area of the hissing in the manner of the engine organization and following you hear the engine stall or rev well ahead there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.