Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super spread around car that I am ready to steer off a cliff. had a idle surge difficulty 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. urge on to the dealer.. this times he says, it needs a ECU. I did a lot of research upon them, and found that its a common trouble taking into consideration 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 habit to be re-adjusted? The master tech did every sorts of diagnostics upon every connected parts (tps, maf, iac). 0-200 every become old I assume it attain the dealer for diagnostics.. on going problems are essentially tallying up. I m undecided to adjoin the tps if he had it dialed. Any insight? Thanks in advance. Jason
I'm 1500 too high.. or more. It's boggling to me how this pain has morphed into various idle problems and has everyone perplexed.. or so it seems. I've been dealing past this before July.. makes me appreciate my 240z 10 become old more.My daddy owns an sc400 and its been truly good to him.. I'm having a hard get older not beast acid gone this purchase. I pull off mood like its a good car though. Motor sounds endearing and is super mild when government right.
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