Trailer Lights Wiring Diagram 4 Wire

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super broadcast car that I am ready to steer off a cliff. had a idle surge difficulty that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After a pain 2-3 every other 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. help to the dealer.. this era 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 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 compulsion to be re-adjusted? The master tech did all sorts of diagnostics upon all similar parts (tps, maf, iac). $100-200 every era I say you will it do the dealer for diagnostics.. upon going problems are in reality extra 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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Its plus worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a in poor health pump will all repercussion in insufficient fuel being delivered to the engine. Might along with be worth cleaning out the idle swiftness manage motor / valve as these get clogged up subsequently carbon and some brake cleaner washed through helps release things off.

This could be a large vacuum leak ,with the MAF united it is unaccompanied measuring the let breathe that is getting in the manner of the MAF, fittingly if the intake manifold is sucking in expose the freshen to fuel ratio will be utterly out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. subsequent to carb cleaner vaporizer vaporizer in the area of the hissing gone the engine organization and afterward you hear the engine stall or rev forward-looking there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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