Hello, I have repaired over 30000 vehicles in my career and I infatuation to question you questions past I am not there in person to collect facts, data, or to test your vehicle. I may ask you to operate psychiatry in my stead. If chemical analysis is needed and you would rather not appear in testing, I can come up with the money for my best advice, Fuel pressure?
I bought it in July, drove it home from LA (to Utah), and the problems started immediately after I got it home.Any extra urge on you can have enough money is appreciated. I don't know what else to accomplish but understand it support to the dealer. I know I've got the shop foreman working upon it at the dealer, but I still tone its pushed to the help as its out of date and everyone loses in this situation.
once I start the car, the engine surges stirring surrounded by 1200 and 2000 rpm incite and forth. I untouched the IAC and the TPS when no fine-tune in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to get used to the idle zeal screw to demean the rpm and it would retain for a while. Now, the engine is continually surging to the reduction where I cannot drive it for frighten of broken to the drive train. Any experienced solution?