This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and consequently not compensated for and can thin the engine out and can afterward permit the engine to rev taking place considering not desired causing sharp running. As its a mechanical deformity it tends not to viewpoint on the irregularity open and you can sometimes hear a hissing noise in imitation of the engine running.
I'm 1500 too high.. or more. It's boggling to me how this trouble has morphed into various idle problems and has everyone perplexed.. or fittingly it seems. I've been dealing once this back July.. makes me appreciate my 240z 10 times more.My father owns an sc400 and its been essentially fine to him.. I'm having a hard period not brute bitter considering this purchase. I attain vibes past its a good car though. Motor sounds sweet and is super smooth taking into consideration government right.
This could be a large vacuum leak ,with the MAF connected it is unaccompanied measuring the ventilate that is getting next the MAF, for that reason if the intake manifold is sucking in freshen the freshen to fuel ratio will be completely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. next carb cleaner spray can vaporizer in the place of the hissing in the same way as the engine presidency and afterward you listen the engine stall or rev superior there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.