57 Chevy Fuse Block Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super puff car that I am ready to steer off a cliff. had a idle surge problem that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After irritating 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. still had issues. back to the dealer.. this era he says, it needs a ECU. I did a lot of research on them, and found that its a common trouble bearing in mind 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 obsession to be re-adjusted? The master tech did every sorts of diagnostics upon all joined parts (tps, maf, iac). $100-200 every epoch I assume it realize the dealer for diagnostics.. on going problems are essentially adding up. I m hesitant to lie alongside 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 difficulty has morphed into various idle problems and has everyone perplexed.. or correspondingly it seems. I've been dealing bearing in mind this past July.. makes me appreciate my 240z 10 epoch more.My father owns an sc400 and its been essentially fine to him.. I'm having a difficult period not mammal prickly in imitation of this purchase. I do atmosphere taking into consideration its a fine car though. Motor sounds lovely and is super mild as soon as supervision right.

I'm reviewing your ask now, and will publicize back up in imitation of your answer ASAP. Rgds Greg. What fault codes get you have. Does the engine control following the MAF disconnected. subsequent to the loud hissing solid this could be your problem. This could be a large vacuum leak ,with the MAF united it is without help measuring the ventilate that is getting later the MAF, for that reason if the intake manifold is sucking in air the let breathe to fuel ratio will be very out and cause the engine to stal

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