Bar Led Wire 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 burden that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After grating 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. back up to the dealer.. this epoch he says, it needs a ECU. I did a lot of research upon them, and found that its a common problem taking into account 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 habit to be re-adjusted? The master tech did every sorts of diagnostics upon all linked parts (tps, maf, iac). $100-200 all become old I receive it accomplish the dealer for diagnostics.. on going problems are essentially adding up up. I m hesitant to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might as a consequence be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a fast malfunction locate if you unplug the meter and direct the engine without it. if the engine condition is the thesame subsequently chances are the meter or the relationship to it is faulty. Its afterward worth cleaning the MAF sensor wires, as they can get coated later dirt over epoch which later offsets the reading. Use some entre cleaner or brake cleaner to vaporizer onto the wires to separate the dirt on no account adjoin the wires subsequently everything as they are enormously fragile

I'm reviewing your ask now, and will publish support taking into consideration your answer ASAP. Rgds Greg. What oddity codes pull off you have. Does the engine run later than the MAF disconnected. with the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF similar it is lonesome measuring the air that is getting when the MAF, correspondingly if the intake manifold is sucking in air the air to fuel ratio will be certainly out and cause the engine to stal

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