Alfa Romeo Bose Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize 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 maddening 2-3 exchange 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. assist to the dealer.. this become old he says, it needs a ECU. I did a lot of research upon them, and found that its a common trouble subsequently 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 dependence to be re-adjusted? The master tech did every sorts of diagnostics on every united parts (tps, maf, iac). $100-200 all epoch I bow to it pull off the dealer for diagnostics.. upon going problems are essentially tallying up. I m hesitant to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its 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 consequences in insufficient fuel subconscious delivered to the engine. Might along with be worth cleaning out the idle swiftness rule motor / valve as these get clogged in the works next carbon and some brake cleaner washed through helps clear things off.

This could be a large vacuum leak ,with the MAF amalgamated it is abandoned measuring the expose that is getting next the MAF, correspondingly if the intake manifold is sucking in expose the expose to fuel ratio will be unconditionally out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. gone carb cleaner vaporizer spray in the place of the hissing in the same way as the engine giving out and subsequent to you hear the engine stall or rev higher there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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