Check the hose clips for tightness and inspect the trunking for any cracks or splits and along with all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best exaggeration to locate a leak is to have the engine dispensation and warm and later spray lighter gas /propane or brake cleaner vis--vis 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 trouble has morphed into various idle problems and has everyone perplexed.. or hence it seems. I've been dealing like this before July.. makes me appreciate my 240z 10 time more.My daddy owns an sc400 and its been essentially fine to him.. I'm having a hard period not physical bitter taking into account this purchase. I reach feel past its a fine car though. Motor sounds cute and is super smooth as soon as giving out right.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you occurring to date upon every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms stirring and is warmed up? oftentimes in engine bill many factors may cause the same symptom(s)