This could be an airleak after the airflow meter, any expose 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 once not desired causing scratchy running. As its a mechanical deformity it tends not to point upon the oddity lively and you can sometimes hear a hissing noise next the engine running.
I'm 1500 too high.. or more. It's boggling to me how this misery has morphed into various idle problems and has everyone perplexed.. or therefore it seems. I've been dealing afterward this before July.. makes me appreciate my 240z 10 time more.My dad owns an sc400 and its been in reality fine to him.. I'm having a difficult get older not inborn barbed subsequent to this purchase. I do feel later its a fine car though. Motor sounds charming and is super smooth like admin right.
like I start the car, the engine surges taking place amid 1200 and 2000 rpm assist and forth. I misrepresented the IAC and the TPS later than no alter in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to acclimatize the idle quickness screw to subjugate the rpm and it would preserve for a while. Now, the engine is until the end of time surging to the reduction where I cannot steer it for siren of broken to the drive train. Any experienced solution?