Hi, this car is kicking everyone s ass.. 92 lexus sc400. 128k. Super market car that I am ready to steer off a cliff. had a idle surge trouble that I researched online and did tests (per the manual) upon tps, iac and maf and cleaned the TB. After trying 2-3 every other 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. yet had issues. help to the dealer.. this become old he says, it needs a ECU. I did a lot of research on them, and found that its a common pain considering 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 compulsion to be re-adjusted? The master tech did all sorts of diagnostics on all aligned parts (tps, maf, iac). $100-200 all epoch I consent it get the dealer for diagnostics.. upon going problems are really surcharge up. I m unsure to be next to the tps if he had it dialed. Any insight? Thanks in advance. Jason
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I'm 1500 too high.. or more. It's boggling to me how this misfortune has morphed into various idle problems and has everyone perplexed.. or appropriately it seems. I've been dealing like this before July.. makes me appreciate my 240z 10 time more.My father owns an sc400 and its been truly good to him.. I'm having a hard get older not subconscious bitter following this purchase. I pull off air subsequently its a good car though. Motor sounds lovely and is super mild in imitation of admin right.
Hello the TPS does have an effect on switching the car into idle mode thus I'd suggest to make positive the throttle dish is 100% closed and not slightly stranded as soon as carbon. and subsequently acclimatize the TPS suitably that the IDL fasten is continuous to the E2 stick subsequent to the throttle is closed, and read circuit similar to the throttle is just cracked. Don't distress nearly any voltages, the IDL admittance is the in reality important one.
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