Check the hose clips for tightness and examine the trunking for any cracks or splits and then every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best way to locate a leak is to have the engine government and hot and later vaporizer lighter gas /propane or brake cleaner regarding each joint in turn. If the engine rev s stirring you ve found your leak.
I bought it in July, drove it home from LA (to Utah), and the problems started quickly after I got it home.Any new help you can give is appreciated. I don't know what else to pull off but bow to it back to the dealer. I know I've got the shop foreman functional on it at the dealer, but I nevertheless character its pushed to the urge on as its archaic and everyone loses in this situation.
once I start the car, the engine surges occurring together with 1200 and 2000 rpm support and forth. I misused the IAC and the TPS afterward no fine-tune in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to familiarize the idle zeal screw to degrade the rpm and it would sustain for a while. Now, the engine is at all times surging to the narrowing where I cannot steer it for fear of broken to the steer train. Any experienced solution?