Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super present car that I am ready to steer off a cliff. had a idle surge burden that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After frustrating 2-3 substitute 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. urge on to the dealer.. this become old he says, it needs a ECU. I did a lot of research on them, and found that its a common trouble behind this car.. bought a used one.. more trouble. had the original 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 every sorts of diagnostics upon every combined parts (tps, maf, iac). 0-200 every period I believe it get the dealer for diagnostics.. on going problems are essentially toting up up. I m unsure 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 suffering has morphed into various idle problems and has everyone perplexed.. or therefore it seems. I've been dealing following this past July.. makes me appreciate my 240z 10 period more.My father owns an sc400 and its been essentially good to him.. I'm having a difficult period not inborn prickly similar to this purchase. I pull off quality as soon as its a good car though. Motor sounds cute and is super smooth with admin right.
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