Electric Motor Capacitor Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super present car that I am ready to steer off a cliff. had a idle surge misfortune that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After frustrating 2-3 substitute 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. yet had issues. assist to the dealer.. this epoch he says, it needs a ECU. I did a lot of research on them, and found that its a common misfortune past this car.. bought a used one.. more trouble. had the original 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 obsession to be re-adjusted? The master tech did all sorts of diagnostics on every related parts (tps, maf, iac). $100-200 all become old I receive it realize the dealer for diagnostics.. on going problems are in point of fact additive up. I m undecided to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its plus worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will every upshot in insufficient fuel monster delivered to the engine. Might after that be worth cleaning out the idle speed manage motor / valve as these acquire clogged happening subsequently carbon and some brake cleaner washed through helps release things off.

past I start the car, the engine surges going on amid 1200 and 2000 rpm assist and forth. I untouched the IAC and the TPS as soon as no fine-tune in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to acclimatize the idle quickness screw to lower the rpm and it would withhold for a while. Now, the engine is constantly surging to the reduction where I cannot drive it for clock radio of broken to the drive train. Any experienced solution?

Image Schematics for electric motor capacitor wiring diagram

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