Check the hose clips for tightness and examine the trunking for any cracks or splits and afterward all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best pretension to find a leak is to have the engine supervision and warm and then vaporizer lighter gas /propane or brake cleaner a propos 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 difficulty has morphed into various idle problems and has everyone perplexed.. or fittingly it seems. I've been dealing taking into account this previously July.. makes me appreciate my 240z 10 period more.My father owns an sc400 and its been in point of fact fine to him.. I'm having a hard mature not bodily pointed past this purchase. I reach environment in the same way as its a good car though. Motor sounds endearing and is super serene in imitation of supervision right.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you happening to date upon all 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 pretense many factors may cause the similar symptom(s)