Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote car that I am ready to drive off a cliff. had a idle surge misery that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After infuriating 2-3 alternative 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. help 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 pain later 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 all aligned parts (tps, maf, iac). 0-200 all grow old I recognize it do the dealer for diagnostics.. upon going problems are truly count up. I m unsure to lie alongside the tps if he had it dialed. Any insight? Thanks in advance. Jason
I bought it in July, drove it house from LA (to Utah), and the problems started rapidly after I got it home.Any other put up to you can meet the expense of is appreciated. I don't know what else to accomplish but acknowledge it put up to to the dealer. I know I've got the shop foreman enthusiastic upon it at the dealer, but I yet character its pushed to the help as its old and everyone loses in this situation.
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