Hello, I have repaired more than 30000 vehicles in my career and I habit to question you questions previously I am not there in person to accumulate facts, data, or to test your vehicle. I may question you to put on an act examination in my stead. If chemical analysis is needed and you would rather not measure testing, I can allow my best advice, Fuel pressure?
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 once this since July.. makes me appreciate my 240z 10 period more.My dad owns an sc400 and its been in reality fine to him.. I'm having a hard time not physical sharp later this purchase. I complete feel in imitation of its a good car though. Motor sounds lovely and is super mild gone handing out right.
This could be a large vacuum leak ,with the MAF linked it is without help measuring the ventilate that is getting past the MAF, in view of that if the intake manifold is sucking in air the air to fuel ratio will be unconditionally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. later than carb cleaner spray can spray in the place of the hissing subsequently the engine management and next you listen the engine stall or rev innovative there is the leak ,could be a bad vacuum hose bad gasket on the manifold.