This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and thus not compensated for and can thin the engine out and can furthermore allow the engine to rev taking place later than not desired causing unfriendly running. As its a mechanical oddity it tends not to perspective on the aberration blithe and you can sometimes listen a hissing noise in the manner of the engine running.
I bought it in July, drove it home from LA (to Utah), and the problems started shortly after I got it home.Any additional back you can pay for is appreciated. I don't know what else to pull off but take it help to the dealer. I know I've got the shop foreman energetic upon it at the dealer, but I yet environment its pushed to the encourage as its old and everyone loses in this situation.
as soon as I start the car, the engine surges in the works amongst 1200 and 2000 rpm back and forth. I misrepresented the IAC and the TPS when no amend in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to become accustomed the idle keenness screw to demean the rpm and it would retain for a while. Now, the engine is every time surging to the point where I cannot drive it for frighten of damage to the drive train. Any experienced solution?