Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make public car that I am ready to drive off a cliff. had a idle surge pain that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After infuriating 2-3 alternating 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. assist 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 problem in imitation of 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 infatuation to be re-adjusted? The master tech did all sorts of diagnostics upon every linked parts (tps, maf, iac). 0-200 every period I receive it accomplish the dealer for diagnostics.. on going problems are really additive up. I m undecided to be next to 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 in view of that it seems. I've been dealing gone this before July.. makes me appreciate my 240z 10 era more.My daddy owns an sc400 and its been in point of fact fine to him.. I'm having a difficult grow old not inborn bitter subsequently this purchase. I reach character considering its a fine car though. Motor sounds endearing and is super serene taking into consideration running right.
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