Check the hose clips for tightness and examine the trunking for any cracks or splits and with every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best pretentiousness to find a leak is to have the engine dealing out and warm and subsequently spray can lighter gas /propane or brake cleaner something like each joint in turn. If the engine rev s in the works you ve found your leak.
I bought it in July, drove it home from LA (to Utah), and the problems started tersely after I got it home.Any additional assist you can provide is appreciated. I don't know what else to accomplish but understand it encourage to the dealer. I know I've got the shop foreman lively upon it at the dealer, but I still tone its pushed to the urge on as its old and everyone loses in this situation.
when I begin the car, the engine surges occurring between 1200 and 2000 rpm incite and forth. I distorted the IAC and the TPS subsequent to no modify 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 speed screw to belittle the rpm and it would withhold for a while. Now, the engine is every time surging to the reduction where I cannot steer it for alarm bell of damage to the steer train. Any experienced solution?