69 Plymouth Roadrunner Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote car that I am ready to drive 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 irritating 2-3 different 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. assist to the dealer.. this grow old he says, it needs a ECU. I did a lot of research on them, and found that its a common difficulty considering 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 every sorts of diagnostics on all related parts (tps, maf, iac). $100-200 every grow old I bow to it accomplish the dealer for diagnostics.. upon going problems are really toting up up. I m in two minds to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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I started the car up this morning, it starts happening and runs at 1750 and within a minute or as a result climbs more than 2500.. It is paperwork smooth though, just quirk unconventional than it should be. I furthermore checked the throttle screw plate/return screw, on purpose turned it out and nothing changed. put it put up to to exactly where it was. No vacuum leak sounds and every links verified. I tone fine more or less them as I've been in there a bunch of times..

This could be a large vacuum leak ,with the MAF associated it is isolated measuring the expose that is getting afterward the MAF, as a result if the intake manifold is sucking in expose the freshen to fuel ratio will be unquestionably out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. following carb cleaner vaporizer spray can in the place of the hissing with the engine government and in the same way as you listen the engine stall or rev far ahead there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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