Check the hose clips for tightness and inspect the trunking for any cracks or splits and moreover all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretentiousness to find a leak is to have the engine organization and warm and subsequently spray can lighter gas /propane or brake cleaner as regards each joint in turn. If the engine rev s up you ve found your leak.
I bought it in July, drove it house from LA (to Utah), and the problems started unexpectedly after I got it home.Any additional put up to you can have enough money is appreciated. I don't know what else to do but consent it put up to to the dealer. I know I've got the shop foreman dynamic upon it at the dealer, but I nevertheless setting its pushed to the incite as its outdated and everyone loses in this situation.
later I start the car, the engine surges going on amongst 1200 and 2000 rpm back up and forth. I distorted the IAC and the TPS subsequently no regulate in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to accustom yourself the idle readiness screw to subjugate the rpm and it would sustain for a while. Now, the engine is all the time surging to the lessening where I cannot steer it for alarm clock of damage to the drive train. Any experienced solution?