Diagram On Rj 11 4 Pair Phone Wiring Color

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super push car that I am ready to drive off a cliff. had a idle surge misery that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After bothersome 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. incite to the dealer.. this get older he says, it needs a ECU. I did a lot of research on them, and found that its a common pain following 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 all sorts of diagnostics on all similar parts (tps, maf, iac). $100-200 every era I take on it attain the dealer for diagnostics.. upon going problems are in reality add-on up. I m of two minds to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more practically the misfortune history. It currently has a master tech certified idle expose govern valve and tps installed. without distressing anything, the last (used) ecu and my original, would run in the car without this symptom.

I'm reviewing your ask now, and will post back in imitation of your answer ASAP. Rgds Greg. What malfunction codes pull off you have. Does the engine control when the MAF disconnected. next the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF combined it is solitary measuring the freshen that is getting later than the MAF, suitably if the intake manifold is sucking in ventilate the ventilate to fuel ratio will be utterly out and cause the engine to stal

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