Hello, I have repaired over 30000 vehicles in my career and I habit to question you questions past I am not there in person to accrue facts, data, or to exam your vehicle. I may question you to con scrutiny in my stead. If testing is needed and you would rather not exploit testing, I can find the money for my best advice, Fuel pressure?
I'm 1500 too high.. or more. It's boggling to me how this burden has morphed into various idle problems and has everyone perplexed.. or fittingly it seems. I've been dealing later than this back July.. makes me appreciate my 240z 10 grow old more.My daddy owns an sc400 and its been in point of fact good to him.. I'm having a hard era not innate sharp in the manner of this purchase. I get feel later than its a fine car though. Motor sounds lovable and is super smooth past doling out right.
This could be a large vacuum leak ,with the MAF similar it is lonesome measuring the air that is getting similar to the MAF, as a result if the intake manifold is sucking in air the ventilate to fuel ratio will be totally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. subsequent to carb cleaner spray vaporizer in the place of the hissing taking into consideration the engine organization and later than you listen the engine stall or rev innovative there is the leak ,could be a bad vacuum hose bad gasket on the manifold.