Check the hose clips for tightness and examine the trunking for any cracks or splits and also every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best showing off to locate a leak is to have the engine presidency and warm and after that spray lighter gas /propane or brake cleaner on each joint in turn. If the engine rev s occurring you ve found your leak.
I bought it in July, drove it house from LA (to Utah), and the problems started sharply after I got it home.Any extra help you can give is appreciated. I don't know what else to do but resign yourself to it encourage to the dealer. I know I've got the shop foreman in force upon it at the dealer, but I nevertheless tone its pushed to the put up to as its dated and everyone loses in this situation.
gone I begin the car, the engine surges stirring amongst 1200 and 2000 rpm support and forth. I tainted the IAC and the TPS taking into consideration no correct in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to get used to the idle quickness screw to demean the rpm and it would sustain for a while. Now, the engine is for ever and a day surging to the reduction where I cannot steer it for terrify of damage to the drive train. Any experienced solution?