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@George_R when are you guys be able to reflash ecus for the 1UZ. I have a 1999 LS400.

For anyone trying to relearn the immobilizer, here is the method I used for my sc430. It’s best if you buy the immobilizer delete, it will just be plug and play. Less headaches. But if you don’t purchase the immobilizer delete, you’ll need to: 1) disconnect the negative cable off battery 2)...

I did and I like it. There is more throttle response. The power feels smooth and crisp. I was driving on the highway, with ECT PWR switched on, you feel the power change right away. It’s like driving one of these newer Lexus’s, just like an ISF or GSF or RCF in Sports Plus mode. It’s kind of...

This ecu definitely makes the sc430 (technically the 3UZ engine) drive different. The throttle feels more responsive and the shift points are more precise and has less lag. This is how these cars should’ve came from factory. I felt like the 3UZ engine was being under played from factory, with...

I just installed the modified ecu from Quantum Auto into my 2002 SC430. If you didn’t get the immobilizer removal feature. You will need to relearn/handshake the ecu into your vehicle to recognize the immobilizer system. @George_R, you are the man!

what exactly did you modify for the trans pressure mod? The solenoids? I’m in the process of purchasing the ecu from Quantum Auto. Which options did you choose?