This could be an airleak after the airflow meter, any freshen dragged in here isn t seen by the ECU and thus not compensated for and can thin the engine out and can with permit the engine to rev happening subsequent to not desired causing rude running. As its a mechanical deformity it tends not to point upon the defect blithe and you can sometimes hear a hissing noise when the engine running.
I'm 1500 too high.. or more. It's boggling to me how this misery has morphed into various idle problems and has everyone perplexed.. or hence it seems. I've been dealing following this before July.. makes me appreciate my 240z 10 get older more.My daddy owns an sc400 and its been essentially fine to him.. I'm having a hard period not visceral mordant once this purchase. I get character later than its a good car though. Motor sounds delectable and is super serene afterward management right.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you taking place to date on all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms in the works and is warmed up? oftentimes in engine appear in many factors may cause the thesame symptom(s)