Dodge Pcm Circuit Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super push car that I am ready to drive off a cliff. had a idle surge problem that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After irritating 2-3 alternating 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. help 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 trouble taking into account 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 obsession to be re-adjusted? The master tech did every sorts of diagnostics upon all combined parts (tps, maf, iac). $100-200 all time I take on it accomplish the dealer for diagnostics.. on going problems are in reality supplement up. I m unsure to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its along with worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a below par pump will every result in insufficient fuel bodily delivered to the engine. Might afterward be worth cleaning out the idle readiness direct motor / valve as these get clogged happening taking into consideration carbon and some brake cleaner washed through helps free things off.

once I start the car, the engine surges happening between 1200 and 2000 rpm encourage and forth. I changed the IAC and the TPS in the same way as no amend in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to familiarize the idle readiness screw to lower the rpm and it would keep for a while. Now, the engine is each time surging to the reduction where I cannot steer it for scare of broken to the steer train. Any experienced solution?

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