Check the hose clips for tightness and inspect the trunking for any cracks or splits and with all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best habit to locate a leak is to have the engine government and warm and later spray lighter gas /propane or brake cleaner just about each joint in turn. If the engine rev s occurring you ve found your leak.
I'm 1500 too high.. or more. It's boggling to me how this pain has morphed into various idle problems and has everyone perplexed.. or consequently it seems. I've been dealing behind this previously July.. makes me appreciate my 240z 10 grow old more.My dad owns an sc400 and its been in fact fine to him.. I'm having a difficult period not monster critical later this purchase. I attain air bearing in mind its a fine car though. Motor sounds lovely and is super serene bearing in mind dealing out right.
I'm reviewing your ask now, and will broadcast incite in the same way as your answer ASAP. Rgds Greg. What idiosyncrasy codes accomplish you have. Does the engine manage once the MAF disconnected. once the loud hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF combined it is on your own measuring the air that is getting later the MAF, thus if the intake manifold is sucking in ventilate the let breathe to fuel ratio will be enormously out and cause the engine to stal