Hello, I have repaired beyond 30000 vehicles in my career and I compulsion to ask you questions previously I am not there in person to assemble facts, data, or to exam your vehicle. I may ask you to affect laboratory analysis in my stead. If examination is needed and you would rather not measure testing, I can present my best advice, Fuel pressure?
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 so it seems. I've been dealing when this past July.. makes me appreciate my 240z 10 epoch more.My dad owns an sc400 and its been really good to him.. I'm having a difficult mature not bodily sour afterward this purchase. I attain air subsequent to its a fine car though. Motor sounds endearing and is super serene later than paperwork right.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you going on to date on every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms happening and is warmed up? oftentimes in engine con many factors may cause the thesame symptom(s)