2009 Ford Mustang Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super broadcast car that I am ready to drive off a cliff. had a idle surge suffering that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After irritating 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. still had issues. incite 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 misery taking into account 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 connected parts (tps, maf, iac). $100-200 all epoch I give a positive response it attain the dealer for diagnostics.. upon going problems are essentially calculation up. I m undecided to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more approximately the burden history. It currently has a master tech ascribed idle freshen run valve and tps installed. without touching anything, the last (used) ecu and my original, would manage in the car without this symptom.

as soon as I begin the car, the engine surges going on surrounded by 1200 and 2000 rpm incite and forth. I misrepresented the IAC and the TPS like no tweak in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to adapt the idle keenness screw to demean the rpm and it would hold for a while. Now, the engine is continually surging to the narrowing where I cannot steer it for apprehension of damage to the drive train. Any experienced solution?

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