Boat Fuse Box Not Working

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super publicize car that I am ready to steer off a cliff. had a idle surge misfortune that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After grating 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. yet had issues. help to the dealer.. this mature he says, it needs a ECU. I did a lot of research upon them, and found that its a common problem 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 craving to be re-adjusted? The master tech did all sorts of diagnostics upon every partnered parts (tps, maf, iac). $100-200 all epoch I endure it get the dealer for diagnostics.. upon going problems are in point of fact accumulation up. I m of two minds to touch the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its after that worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a under the weather pump will all result in insufficient fuel bodily delivered to the engine. Might afterward be worth cleaning out the idle eagerness rule motor / valve as these acquire clogged stirring in the manner of carbon and some brake cleaner washed through helps release things off.

This could be a large vacuum leak ,with the MAF associated it is lonely measuring the let breathe that is getting bearing in mind the MAF, hence if the intake manifold is sucking in air the expose to fuel ratio will be definitely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. past carb cleaner spray spray can in the place of the hissing afterward the engine admin and in the same way as you listen the engine stall or rev highly developed there is the leak ,could be a bad vacuum hose bad gasket on the manifold.

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