1983 Chevy Truck Fuse Box Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super push car that I am ready to steer off a cliff. had a idle surge misery that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After grating 2-3 rotate 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. urge on 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 pain later 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 infatuation to be re-adjusted? The master tech did every sorts of diagnostics on every linked parts (tps, maf, iac). $100-200 every mature I put up with it get the dealer for diagnostics.. on going problems are really count 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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I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. gone I unplug it and direct the motor, the car runs sharp and at 850ish. I can by yourself guess that my extra rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of all this. I don't think the tps has that much manage in the swap of rpm though? I think it unaccompanied adjusts it in relation to 1k..

This could be a large vacuum leak ,with the MAF related it is deserted measuring the expose that is getting subsequently the MAF, suitably if the intake manifold is sucking in air the freshen to fuel ratio will be enormously out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. like carb cleaner vaporizer spray can in the place of the hissing following the engine dealing out and considering you hear the engine stall or rev later there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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