Lexus Rx 350 Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote car that I am ready to drive off a cliff. had a idle surge suffering that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After bothersome 2-3 interchange used IAC s, I took it to the master tech at lexus. He said it was the IAC valve. He tried my used ones.. and finally a rebuilt one. nevertheless had issues. encourage to the dealer.. this get older he says, it needs a ECU. I did a lot of research upon them, and found that its a common problem behind this car.. bought a used one.. more trouble. had the indigenous one rebuilt by a specialist.. and that s where I am at now.. Put it in tonight and the car idles at 2k rpm. Does the TPS craving to be re-adjusted? The master tech did every sorts of diagnostics upon all joined parts (tps, maf, iac). $100-200 all grow old I endure it get the dealer for diagnostics.. upon going problems are essentially toting up up. I m in two minds to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I'm 1500 too high.. or more. It's boggling to me how this problem has morphed into various idle problems and has everyone perplexed.. or therefore it seems. I've been dealing once this in the past July.. makes me appreciate my 240z 10 epoch more.My dad owns an sc400 and its been truly fine to him.. I'm having a hard become old not monster biting bearing in mind this purchase. I complete setting subsequent to its a good car though. Motor sounds cute and is super mild later than management right.

I'm reviewing your ask now, and will declare assist once your reply ASAP. Rgds Greg. What irregularity codes get you have. Does the engine rule taking into consideration the MAF disconnected. once the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF linked it is unaided measuring the air that is getting subsequently the MAF, correspondingly if the intake manifold is sucking in expose the let breathe to fuel ratio will be definitely out and cause the engine to stal

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