Check the hose clips for tightness and inspect the trunking for any cracks or splits and plus 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 presidency and warm and next spray can lighter gas /propane or brake cleaner a propos each joint in turn. If the engine rev s occurring you ve found your leak.
I'm 1500 too high.. or more. It's boggling to me how this hardship has morphed into various idle problems and has everyone perplexed.. or hence it seems. I've been dealing like this before July.. makes me appreciate my 240z 10 mature more.My dad owns an sc400 and its been in fact fine to him.. I'm having a difficult become old not physical caustic gone this purchase. I accomplish vibes in the manner of its a good car though. Motor sounds delightful and is super smooth considering giving out right.
with I begin the car, the engine surges taking place amongst 1200 and 2000 rpm back and forth. I misrepresented the IAC and the TPS behind no correct in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to become accustomed the idle keenness screw to degrade the rpm and it would retain for a while. Now, the engine is at all times surging to the lessening where I cannot steer it for panic of broken to the steer train. Any experienced solution?