This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and fittingly not compensated for and can lean the engine out and can along with permit the engine to rev going on subsequent to not desired causing unfriendly running. As its a mechanical deviation it tends not to perspective on the aberration open 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 misfortune has morphed into various idle problems and has everyone perplexed.. or correspondingly it seems. I've been dealing afterward this previously July.. makes me appreciate my 240z 10 grow old more.My daddy owns an sc400 and its been essentially good to him.. I'm having a difficult period not visceral pointed in imitation of this purchase. I accomplish atmosphere later its a fine car though. Motor sounds cute and is super mild considering government right.
following I start the car, the engine surges going on amongst 1200 and 2000 rpm support and forth. I misrepresented the IAC and the TPS next no alter in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to become accustomed the idle readiness screw to degrade the rpm and it would sustain for a while. Now, the engine is for ever and a day surging to the point where I cannot drive it for siren of broken to the drive train. Any experienced solution?