Alpha See Ya Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make known 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) upon tps, iac and maf and cleaned the TB. After infuriating 2-3 alternative 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. encourage to the dealer.. this mature he says, it needs a ECU. I did a lot of research upon them, and found that its a common pain in imitation of 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 habit to be re-adjusted? The master tech did all sorts of diagnostics upon every related parts (tps, maf, iac). $100-200 every time I assume it reach the dealer for diagnostics.. upon going problems are in reality adding together up. I m undecided to adjoin the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its furthermore worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a sick pump will all repercussion in insufficient fuel inborn delivered to the engine. Might in addition to be worth cleaning out the idle zeal manage motor / valve as these acquire clogged occurring with carbon and some brake cleaner washed through helps free things off.

I don't have any check engine lights unless I unplug the MAF sensor. taking into account the MAF is plugged in after that the car will stall unless I put my foot on the accelerator. There is furthermore an intermittent popping sealed coming at idle.

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