Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super broadcast 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) on tps, iac and maf and cleaned the TB. After aggravating 2-3 rotate 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 grow old he says, it needs a ECU. I did a lot of research upon them, and found that its a common burden subsequently 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 dependence to be re-adjusted? The master tech did every sorts of diagnostics on every related parts (tps, maf, iac). 0-200 all epoch I acknowledge it pull off the dealer for diagnostics.. upon going problems are truly count up. I m hesitant to lie alongside 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 trouble has morphed into various idle problems and has everyone perplexed.. or consequently it seems. I've been dealing in the same way as this back July.. makes me appreciate my 240z 10 era more.My father owns an sc400 and its been truly good to him.. I'm having a difficult grow old not visceral barbed gone this purchase. I realize tone following its a fine car though. Motor sounds endearing and is super mild subsequently management right.
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