Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super make known car that I am ready to steer off a cliff. had a idle surge misfortune that I researched online and did tests (per the manual) on tps, iac and maf and cleaned the TB. After aggravating 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. nevertheless had issues. back to the dealer.. this get older he says, it needs a ECU. I did a lot of research on them, and found that its a common difficulty afterward 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 infatuation to be re-adjusted? The master tech did every sorts of diagnostics on every similar parts (tps, maf, iac). 0-200 every epoch I believe it realize the dealer for diagnostics.. on going problems are in point of fact adding up 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 difficulty has morphed into various idle problems and has everyone perplexed.. or appropriately it seems. I've been dealing following this since July.. makes me appreciate my 240z 10 mature more.My dad owns an sc400 and its been truly good to him.. I'm having a difficult era not beast caustic subsequently this purchase. I pull off environment following its a good car though. Motor sounds sweet and is super mild considering processing right.
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