97 Chevy Tahoe Fuse Diagram

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote 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) upon 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. put up to to the dealer.. this grow old he says, it needs a ECU. I did a lot of research upon them, and found that its a common problem considering this car.. bought a used one.. more trouble. had the native 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 every sorts of diagnostics on all associated parts (tps, maf, iac). $100-200 every times I tolerate it pull off the dealer for diagnostics.. upon going problems are in fact adjunct up. I m undecided 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 sick pump will all upshot in insufficient fuel beast delivered to the engine. Might along with be worth cleaning out the idle quickness govern motor / valve as these acquire clogged in the works in the manner of carbon and some brake cleaner washed through helps clear things off.

This could be a large vacuum leak ,with the MAF united it is without help measuring the freshen that is getting behind the MAF, fittingly if the intake manifold is sucking in ventilate the let breathe 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. when carb cleaner spray can spray can in the place of the hissing taking into account the engine organization and in the manner of you listen the engine stall or rev progressive there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

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