1983 Ford F150 Alternator Wiring Diagram Free Picture

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 hardship that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After trying 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. back to the dealer.. this grow old he says, it needs a ECU. I did a lot of research upon them, and found that its a common suffering in the same way as this car.. bought a used one.. more trouble. had the native 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 infatuation to be re-adjusted? The master tech did all sorts of diagnostics on every joined parts (tps, maf, iac). $100-200 all epoch I put up with it reach the dealer for diagnostics.. upon going problems are truly totaling 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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I did re-check them tho. The master tech did extensive tests on the let breathe flow meter and said it was good. like I unplug it and run the motor, the car runs harsh and at 850ish. I can unaccompanied guess that my other rebuilt ecu has an issue, or the tps needs to be re-adjusted, or anyhow my maf has died in the midst of all this. I don't think the tps has that much rule in the substitute of rpm though? I think it unaccompanied adjusts it on the subject of 1k..

subsequent to I start the car, the engine surges taking place amid 1200 and 2000 rpm encourage and forth. I misrepresented the IAC and the TPS taking into consideration no alter in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to accustom yourself the idle enthusiasm screw to degrade the rpm and it would maintain for a while. Now, the engine is each time surging to the narrowing where I cannot drive it for siren of damage to the drive train. Any experienced solution?

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