Ipod Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super announce 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) on tps, iac and maf and cleaned the TB. After infuriating 2-3 vary 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. incite to the dealer.. this era he says, it needs a ECU. I did a lot of research upon them, and found that its a common hardship later than 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 dependence to be re-adjusted? The master tech did every sorts of diagnostics on all combined parts (tps, maf, iac). $100-200 every times I allow it complete the dealer for diagnostics.. on going problems are in reality totaling up. I m of two minds to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Might in addition to be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a quick anomaly locate if you unplug the meter and govern the engine without it. if the engine condition is the thesame next chances are the meter or the connection to it is faulty. Its along with worth cleaning the MAF sensor wires, as they can acquire coated subsequent to dirt on top of time which subsequently offsets the reading. Use some retrieve cleaner or brake cleaner to vaporizer onto the wires to surgically remove the dirt on no account touch the wires with all as they are very fragile

next I start the car, the engine surges up amid 1200 and 2000 rpm support and forth. I misused the IAC and the TPS later than no regulate in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to acclimatize the idle rapidity screw to lower the rpm and it would preserve for a while. Now, the engine is for all time surging to the narrowing where I cannot drive it for distress of damage to the drive train. Any experienced solution?

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