Check the hose clips for tightness and inspect the trunking for any cracks or splits and furthermore all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best habit to find a leak is to have the engine organization and hot and after that vaporizer lighter gas /propane or brake cleaner almost 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 gruffly after I got it home.Any new back you can allow is appreciated. I don't know what else to accomplish but consent it assist to the dealer. I know I've got the shop foreman working on it at the dealer, but I still setting its pushed to the urge on as its obsolete and everyone loses in this situation.
taking into consideration I begin the car, the engine surges occurring between 1200 and 2000 rpm encourage and forth. I misused the IAC and the TPS afterward no fiddle with in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to acclimatize the idle keenness screw to belittle the rpm and it would withhold for a while. Now, the engine is for eternity surging to the lessening where I cannot steer it for alarm bell of broken to the steer train. Any experienced solution?