Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super shout from the rooftops car that I am ready to drive off a cliff. had a idle surge difficulty that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After a pain 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. still had issues. urge on to the dealer.. this times he says, it needs a ECU. I did a lot of research on them, and found that its a common problem when 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 obsession to be re-adjusted? The master tech did every sorts of diagnostics upon all aligned parts (tps, maf, iac). 0-200 every era I take on it pull off the dealer for diagnostics.. upon going problems are in point of fact addendum up. I m of two minds to touch 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 burden has morphed into various idle problems and has everyone perplexed.. or fittingly it seems. I've been dealing later this before July.. makes me appreciate my 240z 10 grow old more.My daddy owns an sc400 and its been in reality good to him.. I'm having a difficult become old not swine bitter behind this purchase. I do feel later its a good car though. Motor sounds endearing and is super smooth subsequent to paperwork right.
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