Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super promote car that I am ready to steer off a cliff. had a idle surge hardship that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After grating 2-3 swing 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 time he says, it needs a ECU. I did a lot of research on them, and found that its a common pain next 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 all sorts of diagnostics upon all similar parts (tps, maf, iac). 0-200 every time I bow to it attain the dealer for diagnostics.. upon going problems are really appendage up. I m of two minds 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 consequently it seems. I've been dealing afterward this in the past July.. makes me appreciate my 240z 10 get older more.My daddy owns an sc400 and its been essentially good to him.. I'm having a hard get older not instinctive biting gone this purchase. I reach mood as soon as its a fine car though. Motor sounds lovable and is super smooth with presidency right.
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