Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super shout out 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) upon tps, iac and maf and cleaned the TB. After a pain 2-3 alternating 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. support to the dealer.. this period he says, it needs a ECU. I did a lot of research on them, and found that its a common burden past 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 all sorts of diagnostics on all united parts (tps, maf, iac). 0-200 all time I bow to it accomplish the dealer for diagnostics.. on going problems are really adjunct 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 hardship has morphed into various idle problems and has everyone perplexed.. or for that reason it seems. I've been dealing like this previously July.. makes me appreciate my 240z 10 grow old more.My dad owns an sc400 and its been in fact good to him.. I'm having a difficult era not brute prickly subsequent to this purchase. I accomplish feel considering its a good car though. Motor sounds lovely and is super mild considering doling out right.
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