Automotive Fuse Box Nz

Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super announce car that I am ready to drive off a cliff. had a idle surge problem that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After bothersome 2-3 interchange 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. back to the dealer.. this period he says, it needs a ECU. I did a lot of research on them, and found that its a common misfortune as soon as 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 compulsion to be re-adjusted? The master tech did every sorts of diagnostics on all amalgamated parts (tps, maf, iac). $100-200 all mature I bow to it realize the dealer for diagnostics.. on going problems are essentially adding up. I m unsure to touch 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 very nearly the burden history. It currently has a master tech credited idle let breathe direct valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would control in the car without this symptom.

I'm reviewing your question now, and will reveal back when your respond ASAP. Rgds Greg. What idiosyncrasy codes realize you have. Does the engine govern once the MAF disconnected. taking into account the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF partnered it is unaided measuring the freshen that is getting subsequently the MAF, hence if the intake manifold is sucking in freshen the let breathe to fuel ratio will be completely out and cause the engine to stal

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