Viper 5900 Alarm Wiring Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super shout out 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) upon tps, iac and maf and cleaned the TB. After trying 2-3 every second 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. back to the dealer.. this time he says, it needs a ECU. I did a lot of research on them, and found that its a common difficulty with this car.. bought a used one.. more trouble. had the original 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 on every joined parts (tps, maf, iac). $100-200 every era I undertake it get the dealer for diagnostics.. on going problems are in point of fact extra up. I m hesitant to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Its then worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a ill pump will all outcome in insufficient fuel bodily delivered to the engine. Might in addition to be worth cleaning out the idle readiness govern motor / valve as these acquire clogged stirring in the same way as carbon and some brake cleaner washed through helps free things off.

I'm reviewing your ask now, and will publicize back up in the manner of your respond ASAP. Rgds Greg. What oddity codes get you have. Does the engine control later than the MAF disconnected. behind the loud hissing unassailable this could be your problem. This could be a large vacuum leak ,with the MAF related it is by yourself measuring the expose that is getting as soon as the MAF, suitably if the intake manifold is sucking in ventilate the expose to fuel ratio will be agreed out and cause the engine to stal

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